phd defence presentation video

The Ultimate Guide to Preparing Your PhD Dissertation Defense Presentation

January 12, 2023

Chances are, you’ve been waiting years for this moment: preparing your PhD dissertation defense.

You’ve made it this far in your doctorate journey, so you’ll really want to nail the final thing standing between you and your PhD.

We’ll break down everything you need to know, from what the dissertation defense is to how to prepare and more importantly, succeed.

Here’s our ultimate guide for preparing for your PhD dissertation defense.

What Is a PhD Dissertation Defense Presentation?

A PhD dissertation defense is your chance to defend your work in front of the academics analyzing your research. You might also hear this called a “thesis defense.” 

Although the thought of having experts critique you in a cross-examination setting, a dissertation defense is just an opportunity for you to show off your best work .

What Is a PhD Dissertation Committee?

A PhD dissertation committee is a group you assemble to guide you through the dissertation process, from preparation to the revision of your dissertation. 

You choose the members of the committee after all the academic work is finalized. Usually, members will be trusted faculty — people you know well who you might consider a mentor. 

How to Prepare for Your PhD Dissertation Defense Presentation

Preparing for your PhD dissertation defense doesn’t have to be stressful. 

Try using Yoodli , an AI-powered speech coach that analyzes your speaking patterns and identifies areas in which you can improve. By practicing your dissertation defense presentation through Yoodli, you’ll be able to not only improve your speaking, but boost your confidence as well. 

For example, you can take an in-depth look at the filler words you use, including which ones come up the most often and precisely how often they come up.

Here are three more tips for preparing your PhD dissertation defense.

1. Don’t wait around.

One of the best things you can do for yourself when preparing your PhD dissertation defense is to start the work early. You won’t regret starting “too early” like you would regret starting the preparation too late in the game. 

Designing your presentation slides will take time and isn’t something you can slap together in a pinch. Right after your thesis is finalized, start on the slides. Your aim is to impress the committee with a thought-out, clear presentation that presents your work in a good light.

2. Practice, practice, practice.

It doesn’t matter how confident or comfortable you are with regard to your work and the actual PhD dissertation defense — you need to practice like your life depends on it. 

Be sure to practice not only the presentation, but also your body language, like hand gestures . You don’t want to seem too stiff or anxious during your dissertation defense, and practicing all these elements at once gives you an idea of what you need to work on. 

You’ll also want to work on your tone, to make sure you don’t come off as sounding monotonic . You want the committee members to feel interested and engaged. 

Taking one of Yoodli’s free public speaking courses — such as the fundamentals of public speaking — can also build on your confidence and make you feel more comfortable during the dissertation defense. 

Check out Yoodli’s 10-minute course here:

3. Check out other candidates’ presentations.

Sometimes, universities will offer open PhD dissertation defense presentations. If your university is one of them, it’s a great idea to attend a few . If your university doesn’t offer open dissertation presentations, check out other local universities that might offer these.

Watching other candidates’ presentations can help you not only get a firsthand look at how a presentation should (or shouldn’t!) go, but also to affirm that dissertation defense presentations aren’t as awful and scary as you might think they are. You might even get some insight or a few ideas for your own presentation while you’re at it.

The Bottom Line

Preparing for your PhD dissertation defense presentation doesn’t have to be overwhelming. After all, it’s all part of your doctorate journey . With preparation and practice, you can use this opportunity to shine and show off your best work. 

Start practicing with Yoodli.

Getting better at speaking is getting easier. Record or upload a speech and let our AI Speech Coach analyze your speaking and give you feedback.

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How to Start a Thesis Defense Presentation

After months and years of hard work, the moment to wrap things all up is finally here—your thesis defense presentation.

Whether you’re pursuing a master’s degree or doctorate, it’s the final step to that much-deserved achievement. 

A thesis defense requires a lot of prior research and preparation. And as important as its content is, so is how you present it because a stunning design with clear data and text hierarchy plays an immense role in comprehension.

In this article, we’ll explore how you make your thesis defense .

The organization is the key to success. Establishing some previous steps before any project or work is essential for the result to be very positive. And the defense of a thesis could not be less. 

Below, we will develop all the necessary steps to make a thesis defense presentation and we will give you some tips on how to carry them out.

How to Make an Amazing Presentation

Defining the concept of your thesis presentation, structuring your thesis defense presentation, how do you welcome the audience, tell them why you did this thesis, go into the content by explaining your thesis part by part, how to end the defense of the thesis.

After a long time of research and study, the content of your thesis is ready. Now, you have to find the best way to reflect all that effort behind your work. The information comes across more clearly if you use a visual format, as it attracts the attention of the audience. To present your thesis information in a clear, concise, and ultimately amazing way, you can use one of our unique thesis defense templates , available at Slidesgo.

As an example, in this article, we are going to use the Ecology Thesis template . With it, we will show you what to include in your presentation and how to make an attractive design.

After choosing the Google Slides and PowerPoint template that best suits the needs and subject matter of your thesis, it is time to define an overarching concept.

This is the main theme on which your designs are based. It must be relevant to your thesis as its purpose is to guide your selection of colors, typography, images, style, etc. 

These must be portrayed in a way that supports the main message of your slides and should be aligned with your concept both visually and sociologically.

Once you have defined the concept, you will have to move on to the next step: structuring the content of your thesis. A good structure will show that there is a good organization behind the work, but most importantly: it will highlight your content.

In this article, we are going to show you a structure that could be a good example of how to structure a thesis, but you can adapt it to what your specific content requires.

Before you begin your thesis defense, you should welcome your audience. A good presentation will make you connect with your audience, which will result in more general interest in your work.

Use an appropriate language register (avoid informal language), but be approachable and natural.

"Welcome to the thesis defense on [the title of your thesis]". Next, introduce yourself with your name and give a short description of your background and occupation.

Don't forget to say “thank you for attending!”

To continue establishing that connection with your audience, explain the reasons that led you to do this thesis. Tell the professional reasons, and you can even say some personal ones, which will denote closeness, and your audience will appreciate it.

Now it's time to go into the content of the thesis ! After these preliminary steps, which are just as important as the thesis itself, it is time to explain part by part the structure (which you had previously established). We are going to propose a structure for your project, but the final decision is always yours!

First impressions are very important. Because your title page is the very first thing viewers see, it must be striking and impactful. It also sets the stage for the rest of your slides.

In one glance, the following should be established:

• Thesis defense topic
• Design style

For instance, the ecology thesis’s title page uses illustrations of a natural landscape to represent the topic of nature and a striking shade of blue to set the tone.

The sans serif font used depicts clean-cut typography and style and the thesis topic is written in large and bold typography, which draws attention to it immediately.

Right after your title page, include an introduction slide to provide more details about your topic. 

This means explaining what you hope to answer with your research, its importance to your field, and why you chose it.

Continue to incorporate design elements relevant to your concept. This example has done just that by using a different natural landscape and including animals. For coherence, stick to the same typography and style throughout your presentation.

The aim of the literature review slide is to illustrate your knowledge of your thesis topic and any relevant theories.

Walls of text kill a design. For clarity, we recommend presenting this with bullet points. Each one should be short and sweet and only touch on the basics; you can elaborate on them in your speech. 

Don’t forget to be consistent with your design. In our example, we’ve maintained the tone of blue chosen and added illustrations of leaves in the far corners of the slide. 

Also, address similar research that has been done. This is to showcase your topic’s originality and, if relevant, how it’s different and/or an improvement from previously done research. 

This is one of the most important parts of a thesis defense presentation.

It allows your viewers to assess the rationality and validity of your approach and consequently, the accuracy of your results.

A great methodology slide explains the what , how, and why :

• What method did you use for your research
• Why did you choose it
• How did you conduct it

Because this part of your thesis will be rather technical, the most effective way to aid understanding is by using graphics like charts and tables. 

Keep text to a minimum to avoid drawing attention away from the graphics. If there is a text that must absolutely be included, consider using bullet points and keep them short.

Don’t forget to maintain color, style, and typography coherence.

The results slides are easily the most quantitative part of a thesis defense. 

Here, your aim is to simply introduce your findings. Select the most impactful data and highlight them here.

Just as with methodology, use graphics like charts, tables, and graphs to portray the data in a clear way. And, once again, try not to write too much text. Let the visual content do the talking .

After you’ve introduced your data, the next step would be to help your audience make sense of it. That means understanding what it means in the context of your thesis research topic and your discipline. 

Simply put, you should answer the question: What do the numbers mean?

The best way to approach this would be to do it as if you were creating an infographic . 

Illustrations like icons are a quick and simple way to represent your message. It also reduces the amount of text on your slide, which makes the information much more digestible. 

For a balanced thesis presentation, you should also address any outliers and anomalies.

To quote bestselling author Robin Sharma, “Starting strong is good. Finishing strong is epic.”

That’s exactly what to aim for in your conclusion.

Provide an overview of your thesis topic and remind your audience what you set out to answer with your research. In our example, we’ve used three icons accompanied by a short title and text. 

Following that, reiterate the important points of your research results you want your audience to take away from your thesis defense presentation. 

You can do so by expanding the next slide to have more icons and points, for example.

Don’t forget to address any shortcomings and limitations in your approach and extra points for suggesting possible improvements for future research.

We are going to give you a little tip to make your thesis defense a success. You can combine your defense with good public speaking techniques. Take a look at our article "How to become a great speaker" .

We hope this article has been of great help, have you already seen our templates to make the presentation of your thesis ? Choose the one that best suits your needs, we are sure that one of them will go perfectly with your thesis presentation! 

Good luck from Slidesgo.

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The Last Big Hurdle: How to Prepare for a Successful PhD Defence

It’s the moment almost everyone who completes a PhD both dreads and looks ahead to for years—the defence. It signals a major achievement, but in people’s imaginations, it can seem like the stuff of nightmares… standing frozen in front of everyone, unable to answer a tricky question posed by a committee member and feeling like you must look incompetent. The format of a doctoral defence varies from field to field, but the worst fears of the candidates remain largely the same. Though most people know it probably won’t go so badly, the open-ended-ness can certainly be intimidating- you’re up there alone in front of a panel of experts who get to ask you whatever they’d like, and you may have to deliver your answers in front of an audience of your peers. There are few experiences in academic life more geared to be stressful for the person at the centre of them.

It doesn’t have to be that bad. I spent the weeks leading up to my PhD defence in a state of near panic, but I can honestly say that once it actually got underway, I sort of enjoyed it. You’re the star of the show and get to walk your peers through the finer points of your research. It can be a really invigorating experience. So let’s try to break this down into bite-sized chunks and look at strategies and tips for making your defence an event you might actually look back fondly on.

What the committee wants

Let’s start with what the committee is actually looking for. They want to see a firm grasp of the subject matter, an understanding of the implications of the work, and the ability to see weaknesses in the methodology and possible routes to take for future work. This means creating a presentation that gives a clear, logical overview of your topic, the question you’re addressing, what you did, your results and conclusions, and where the research can go from here. Remember, your jury members are not out to get you. The questions you receive from them will generally fall under one of three headings- those that test your subject knowledge, those that clarify a confusing point, and those that arise from genuine curiosity. If your presentation does a good job of conveying your knowledge of your topic, you can expect more questions from the second and third categories, allowing you to think of the defense more as a conversation amongst experts than a test from on high.

How to prepare

Practice is obviously very important here. Once you’ve put your talk together, find a trusted friend or mentor (ideally, several of them) who knows your field to go through it with you. They can both help you to pare down unnecessary parts and point out logical leaps you may not have noticed because you’re so close to the subject matter. You also want this to be a person who will ask you tough questions and try to spot holes in your reasoning, so choose your test audience carefully. It can be tempting to spend a lot of time obsessing over your slides, trying to make them perfect, but there’s a lot of studying you’ll need to do to be ready for more tangential questions, so don’t lose too much time this way.

Even though you have lived and breathed your thesis topic for years, it’s a good idea to give your thesis a complete re-read just to make sure you really know what’s in there. It may have been months since you finished writing it, and parts may have gotten a little fuzzy since then. Make sure you know why you used the methodology that you did, be able to justify any conclusions you’ve made, and if there are mistakes, admit them openly at the defence and be able to talk about what you should have done differently—the committee isn’t looking for perfection, they’re looking for clear thinking and thorough consideration of methodology.

This is also a good time to review important topics that are peripheral to your work; this will allow you to answer some of the questions designed to test the limits of your broader knowledge of your field. One of the best pieces of defence preparation advice I’ve ever heard is to find out what each of your committee members’ professional interests are, and do a bit of reading on those topics. There’s a very good chance that they’ll ask you something that’s related to their own work, because that’s familiar ground to them, and you may be able to anticipate these questions this way.

Finally, though it’s less and less of a problem as technology improves, you’ll want to make very sure ahead of time that all your presentation gear works and connects properly to the display equipment in the room where your defence will be. No one wants to be running around at the last moment looking for a dongle they didn’t think they needed, or have their laptop’s battery run out partway through the defence. Check that your slides look the same way on the projection screen as they do on your computer- not cut off or too dark. It also doesn’t hurt just to spend time in the room in which you’ll be presenting, to get a feel for the place and see where everything will be positioned.

Common questions and ideas to think about

• What makes your project original, and how does it answer a previously unanswered question? What have you contributed to the body of knowledge on this topic?
• Why was this question important to ask? Why do we care about what your findings reveal? (Hint: “Just for the sake of knowing” is not an acceptable answer here.)
• Did the focus of your project change over its course? If so, explain how and why.

Methodology

• Why did you choose your methodological approach (including your statistical analyses)? Why is it superior to or more appropriate than all other methodologies?
• Talk about the difficulties you experienced with your methodology and how you addressed them.
• What are the limitations of your study design/methodology?
• Explain how your data represent an appropriate source of measurement to address your question.
• Is the amount of data gathered sufficient to address your question? Why or why not?
• If you could do it again with unlimited time and funds, how would your methodology change?

Conclusions

• What would you say is the most important “take-away” message of your work?
• Does your work have wider implications for other disciplines in your field?
• How do your conclusions support or contradict the existing literature?
• Are there alternative ways your data could have been interpreted?
• Speculate about what broader implications your research could have, but which aren’t addressed by your data, or were outside the scope of your project.
• If you were to continue on with this area of research, what would you do next to further your results? Is there a closely related “spin-off” question that needs to be answered?
• Propose an experimental design to test this related question. What results might you expect to see?
• Where do you think this field of study is headed in the next five to ten years?

Tips, tricks, and stress management

• Practice the first few minutes of your talk until you can do it on ‘autopilot’; this will give you a bit of time to relax into your presentation, get your thoughts in order, and begin talking more confidently.
• If your defence is open to the public, ask a few supportive friends or colleagues to sit where you can easily make eye contact while you’re talking. Seeing a friendly, smiling face can be encouraging and help you to relax.
• Don’t forget to review the newest literature in the weeks leading up to your defence—one or more important papers may have been published in your field since you wrote your thesis, and you’ll want to know about them.
• Have a hard copy of your thesis on hand during the defence. It’s much faster to flip to a physical page when asked about a particular section of the text. If this really isn’t for you, be sure you have a quick way to move through pages on your computer.
• Eat and drink the same things you normally would on the day of your defence. Your stomach may be extra sensitive in response to the stress, and you don’t want to surprise it with anything new. And go easy on the caffeine… jittery-ness will not help you to manage your stress!
• Try to let your enthusiasm for your subject matter show; your audience will feel more positive about your talk if they can see that you really find the work fascinating.
• It’s fine to take a moment to think about your answer before responding. The silence isn’t as long or as deafening as you think it is. And if you don’t know, just admit you don’t know—it’s okay to not know everything.
• Dress well, but comfortably, and try to project confidence. If you can speak to your committee as a group of your peers, it will reflect well on your growth as a scientist in training- and demonstrate you are someone who deserves to be awarded their doctorate.
• Don’t forget to publicly thank your advisor, your committee, and any other key people involved with your project for their time commitment and investment in your career.
• When planning post-defence festivities, be aware that you may be more tired, both mentally and emotionally, than you expected. Don’t ask too much of yourself in the hours following the event.

A bit of encouragement

Above all, there are two things you need to remember while preparing for your defence. First, your advisor and committee would not have allowed you to proceed to this point if they didn’t think you were ready. They want to see you succeed and, altruism aside, it would reflect badly on them as well if you were to fail. Trust that they’ve made the right decision. Second, after years of delving into your little corner of the scientific world, no one knows your thesis topic better than you do—not even your committee. Marshall your facts and feel confident in knowing that on this topic, you’re the world expert.

What is your best advice to prep for a PhD defence?

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10 Tips To Prepare PhD Thesis Defense Presentation

“ PhD thesis defense presentation is prepared at the terminal of the degree to show the research work in the form of a PowerPoint Presentation. Students often fail miserably because they lack knowledge of presentation. Here are some tips to help them.”   

Firstly, congratulate yourself. You have gone through all the pains, problems, and stress and that’s come to over. PhD is a difficult task, indeed. So have done fantastic work, If you are on the way to preparing your PhD defense presentation.

But my friend, the game is yet not over. You are now at the critical phase and now chances of errors are less. For that 1-hour discussion session, everything should be nearly perfect. From your presentation (with a number of slides) to how you will present. 

You have to care about every single point starting from the number of slides, text, visuals, content quantity, and audience attention to the final conclusion. Everything must be in your control. 

But unfortunately, it’s not a story for many. Students fail to give a good presentation, even though their work is great. And advised for re-viva. There are so many reasons for that. Three major points that fail a presentation are– presentation preparation, delivery and audience engagement. 

What is a thesis defense?

The thesis defense is a process to justify your work with logical arguments with the referees. To know more read this article: Defending a PhD thesis like a boss!- an in-depth Guide .

In this article, I will give you 10 tips– proven, practical and actionable to give an amazing PhD thesis defense presentation. Stay tuned. 

10 Tips for PhD Thesis Defense Presentation

1. plan your presentation .

PhD is all about planning– I mean, proper planning. So, you also have to plan for your presentation. Remember, you are at the last stage of getting the honor hence things must be nearly perfect and in your favor. 

Make a rough outline of the points you will discuss in the presentation. Don’t forget to include major and important points. Moreover, give a strong introduction by keeping in mind that the audience is totally unaware of the topic. 

Plan how much text you will use, and the thing about how the evaluator understands and interprets it. Accordingly, prepare your answers. Last, constrain the content in the number of slides recommended by the university. 

Organize each point in a logical sequence and around your research topic only. Don’t give too much information. 

2. Text to the visual ratio 

Your success in the presentation depends on the attention and retention time on each slide. So you should have to balance every slide with texts and visuals. Texts should create curiosity which visuals satisfy and vice versa. 

If your text-to-visual ratio is good, people will give more attention to your talk. However, I strongly recommend not using visuals on every slide. Use when and only it’s needed. After all, it’s a professional demonstration. 

Don’t fill too much text in a slide and the visuals too. Don’t use every image you captured for your results. Use it in the form of one master image, table or chart to show results. Visuals are great for the eyes– the next point explains. 

3. Use visuals 

Imagine there are two types of information on the slide, one written in the form of long text and another in the form of visuals, charts, bars, images and tables, where do you focus? What attracts you more?

Obviously the second one! 

Summarize your ideas, findings and results in the form of a chart, bar, image, table or anything that looks good. Visual helps your audience to engage and at the same time makes things easier to understand. 

Nonetheless, do care about the ratio. Don’t use too many visuals on every slide.

4. Number of slides 

If I ask you, what is the main goal to present your work? To engage an audience and deliver your work. But your research work would only be delivered if people will engage with it. There is a psychology behind numbers. 

People don’t want more if it isn’t understandable. So if at the beginning of the presentation, they know that you have 50 to 60 slides, they naturally feel bored. Try using fewer slides. It creates curiosity. Give more time to explain your point. 

Ideally, I recommend using 20 to 22 slides. 

5. Practice to present 

Practice makes everyone perfect. 

What is more important– Giving more time to prepare the presentation or on how to deliver it? As I aforementioned, planning is the key to success even though you know everything about your research. 

Give more time for preparation. Know which slide contains which point, what is more important, and which slide would take more time. Where to stay and explain, and where to go in a rush. You should have to know everything in order to control the entire session. 

Practice becoming more comfortable with the content you prepared. Record or observe your delivery scheme. Adjust your tone, speech, pace and body language accordingly.  

6. Engage people

People will only admire your work only if they engage. So first, follow the previous point– focus on how you will deliver your presentation. In addition, create curiosity, ask questions, and give some amazing information timely, encourage them to ask questions. 

Also, engage people psychologically— keep a small smile, look confident, and see in their eyes while explaining your point. Dress decently to attract. Use different hand gestures and styles to gain their focus. 

7. Language

You should have a strong grip on the language. If not, work on it, at least for your presentation. Do use transition words to control the flow and engage people. Use emotions with each transition. Use can use words like— furthermore, in addition, however, unfortunately, fortunately, nonetheless, etc. 

Do learn which transition work to use when, why and how, and accordingly use the exact emotion to use it. This increases the overall attention on your presentation. 

8. Strong conclusion 

All’s well that ends well. 

Give a strong conclusion. To end your presentation, give a quick summary– verbally and conclude your point or research in a sentence that best describes it. Create a positive impact by explaining how it would help society or mankind. 

Show a strong emotion to depict the conclusion. Your conclusion should satisfy the audience and inspire them to learn more and ask questions. 

9. Be prepared for discussion 

Now once your session ends, it’s now open for discussion. Encourage or confidently tell the audience to ask their queries. Answer each question to the point and logically. Explain concepts rather than points. 

Admire them for asking questions, and say thank you for their involvement. In case you don’t know the answer, accept it and convince them that you will find the answer. 

10. Technical considerations 

• The first slide should have your research title, name, guide name and all other credentials necessary. 
• The title should be large enough to read and bold. 
• Every slide should have titles and each must be readable enough. 
• Every slide should have a slide number.
• The fond style for presentation is “Times New Roman”. 
• There are no guidelines for font size but every font should be readable enough. 
• Visuals are clear enough and have high quality. 
• Use bold, underline, and highlight when needed.
• Use at least 1.5 spacing between lines. 
• The presentation file must be in ‘.ppt’. 

Wrapping up

Our students have amazing experience delivering their presentations because we have a huge experience on how to prepare it, deliver it and play with the audience’s mind. Our students prepare well, follow our guidelines and know what questions the referee or audience will ask. 

The reason is their preparation and control over their presentation. If you want to make your presentation amazing you can contact us. I will personally guide you in a 1-hour class. Nonetheless, by keeping these points in mind you can make a difference with your ppt. 

I hope this information and tips will help you to deliver an amazing PhD thesis defense presentation.

Dr. Tushar Chauhan is a Scientist, Blogger and Scientific-writer. He has completed PhD in Genetics. Dr. Chauhan is a PhD coach and tutor.

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Dr Tushar Chauhan

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PhD Defense Template

You’ve done the hard work to prepare your PhD dissertation, and now there’s only one step left: your defense. And Beautiful.ai has the perfect presentation template to help you along the way.

These customizable template slides have all the basic elements of a PhD defense presentation, including an abstract, methodology, research findings, executive summary, and more. The result? A streamlined presentation that’s as professional as it is impressive. All with just a few clicks of the mouse. 

Our PhD defense template can also help you:

• Customize your PhD presentation for different audiences
• Synthesize months of academic work into a concise presentation
• Successfully defend your PhD thesis to your panel

Use our template to create an effective PhD defense presentation

Your PhD defense presentation is a critical step in your academic journey – one that requires a smart and sophisticated format, layout, and story flow. That’s why our template includes everything you need to create an effective presentation. Tailoring this defense template to your unique PhD thesis is simple. Whether you need to create additional data points or showcase more findings, you can quickly bring your visions to life with these customizable templates and our entire library of professionally designed template slides.

Pro Tips for creating your own PhD defense presentation template

When you are thinking of creating your own impactful Phd defense presentation, keep these best practices in mind:

Condensing hours and hours of research can be daunting. Build an outline or table of contents first, then simply stick to that structure as you create your presentation.

It can be easy to get caught up in your research and findings, but don’t forget to answer critical questions like, ‘Why is this important?’ and ‘What results have you achieved?’

Remember: You aren’t recreating your entire thesis into a visual presentation. Limit the amount of content and data you add to each slide.

Your PhD defense presentation is your chance to share all of your hard work. Don’t be afraid to showcase bits of your personality throughout.

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Preparing for your thesis defence

As you start thinking about the end stages of your PhD, it’s important to understand the processes and timelines related to the thesis defence.

Even if your defence feels far away, there are steps you can take early on in order to ensure that the end of your PhD and defence process runs smoothly.

Jump to: What is a PhD defence? | Who's at the defence? | What happens at the defence? | What are the possible outcomes of the defence?  

What is a PhD defence?

The thesis defence is a unique opportunity to share with other experts what you did as part of your PhD research, what you found or discovered, and why it’s important. Although there are a lot of regulations guiding the defence process, remember that this process is really about you and your work.  

Goals of the PhD defence:

• Allow you to show your mastery of the subject matter
• Prove you are the author of the world
• Demonstrate your ability to engage in scholarly discourse in your research area

Who's at the PhD defence?

The primary attendees of your PhD defence are the Chair of the defense and your examining committee. The Chair is an impartial faculty member from outside your department who is well-versed in the rules and proceedings of thesis examinations. The Chair does not question you and does not assess your work.

Examining committee:

• Supervisor(s) - Your thesis supervisor(s) that have supervised your research.
• Internal member - A member of your department; typically part of your advisory committee.
• Internal/external member - An "internal" member of the university, but "external" to your home department. This person has suitable knowledge of the subject matter, even though they are from another discipline.
• Additional member - Typically a member from your advisory committee.
• External examiner - A person with a doctoral degree and expertise in the subject matter who evaluates the thesis from a fair an impartial perspective.

At University of Waterloo, it is also standard to have defences open to the public, so you can invite your friends, family and colleagues to be there! Check with your department to figure out what options are available to you.  

In some cases, such as when there are intellectual property concerns, a closed thesis examination can be requested. This means that all those in attendance at the thesis examination, including the examining committee members, must sign a non-disclosure agreement.  Closed examinations must be requested as early as possible.

What happens at the defence?

The first component of the defence is the welcome. The Chair will open up the defence, go over the order of proceedings, introduce the examining committee, and welcome the attendees.

After the welcome, the examination will formally begin with your oral presentation. The presentation is no more than 30 minutes, but the exact length and format can vary by department or discipline. It's best to check with your supervisor to confirm departmental expectations, but overall, the presentation should focus on your main contributions and conclusions. 

The final component of the defence is the questioning period. This is not meant to be an interrogation, rather, a discussion amongst colleagues about the subject of your thesis.

• The examination Chair monitors the question period, which goes in "rounds".
• During the first round of questioning, each committee member will have 15 minutes to ask their questions, provide their comments, and discuss these with you.
• After each committee member has had their turn to ask questions, there may be additional rounds for more questions. The Chair and committee decide when the questions will end.
• Typically, the Chair will reserve some time at the end to accept questions from non-committee members.

While there is no set time for defences at the University of Waterloo, they typically range from 2-3 hours. 

What are the possible outcomes?

Once your formal defence has concluded, the examination Chair will arrange for a private deliberation between the committee members. The examination committee's decision is ultimately based on your written thesis, as well as your ability to defend it, as the decision is determined by a majority vote.

In the event of a tie decision, or if the external examiner's vote is not in the majority, the decision will be deferred to the Associate Vice President (AVP), Graduate Studies and Postdoctoral Affairs. The AVP will consult the Faculty Associate Deans and come to a final decision. 

Once the deliberation has concluded, the Chair will inform you of your examining committee's decision.

There are three possible outcomes to a PhD defence:

• Accepted: The thesis is completed to the satisfaction of the examining committee. There may still revisions required, but they are likely minor and typographical or editorial in nature. In this case, you would have one month to complete all revisions and submit your approve thesis to UWspace.
• Accepted conditionally: The oral defence and the thesis are acceptable, but content changes are required that are time intensive. In this case, you would have four months to complete revisions to the approval of your committee and submit the final version to UWspace. A re-examination is not required. 
• Re-examination: The oral defence is not to the satisfaction of the committee and/or substantial changes to the thesis are required. In this case, the candidate must be re-examined within 1 year. 

Re-examination is very rare, and the vast majority of candidates have their thesis accepted at their first examination.

Related links

• Thesis and defence
• Timeline to defence
• Successful defence tips
• Remote defence tips

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Free thesis defense presentation templates

Bring your research to life and impress the examining committee with a professional Thesis Defense Presentation template. Defend your final year project, Master’s thesis, or PhD dissertation with the help of free slides designed especially for students and academics. 

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What’s a thesis defense presentation?

As you approach the end of grad or postgrad studies, you’ll probably be required to deliver a thesis defense presentation. This takes place during the final semester and involves speaking about your thesis or dissertation in front of a committee of professors. 

The word “defend” might sound intimidating, but it simply means answering questions about your work. Examiners want to see how knowledgeable you are about your field and if you can back up your arguments with solid and original research. Some departments invite students to a pre-defense, which is like a dress rehearsal for the main event. 

If you’re defending your doctoral thesis or dissertation, the event will be more formal than at Master’s level. In some universities, this is called a PhD viva, which comes from the Latin viva voce, meaning “by live voice”. Basically, it’s time to speak about the 80 thousand words you’ve written! As well as your supervisor, the panel will usually include visiting academics from other institutions. If it’s an “open defense” it will be open to other students and members of the public.

The format varies between different universities, but a thesis defense usually starts with the candidate delivering a short presentation accompanied by slides. This is followed by a question and answer session with the panel. 

How do I design slides for my thesis defense?

The secret to a good thesis defense presentation is a well-designed slide deck. This will act as a visual aid and starting point for the conversation. Structuring your points and illustrating them on the screen will help you present more confidently. 

If the prospect of creating a thesis presentation from scratch is daunting, check out Genially’s free thesis defense templates. Each design has been created by professional graphic designers in collaboration with students and academic experts. 

Choose from hundreds of examples with preset color palettes and easy-to-edit slides. In a few minutes you can outline the content of your thesis in an impressive visual format. No artistic skills required!

How should I structure a thesis presentation?

When you create a thesis defense presentation, the first thing to remember is that it should be short and concise. There’s no need to rewrite your thesis on the slides. Members of the committee will already be familiar with your work, having read the document prior to the event. 

A thesis defense is a conversational, person-to-person event. Examiners don’t want to read large blocks of text on the screen. They want to hear you talking about your research with passion and insight.

With this in mind, your presentation should serve as a starting point or prompt for discussion. Think of your slides as cue cards: use short titles and keywords to remind you of what you want to say. 

Make a good first impression by using a professional thesis defense presentation template with a consistent theme and attractive visuals. Go for a calm color palette and neutral style. The aim is to illustrate your points while keeping the committee focused on what you’re saying. 

A thesis defense usually begins with an introductory presentation lasting 15 to 20 minutes, followed by discussion time. For a 20 minute presentation we recommend a series of about 10 slides. 

Make sure to include an introduction slide or title page that lays out what you’re going to talk about. Next, move on to each part of your thesis. Outline the problem, background and literature review, your research question, methodology and objectives, findings, conclusions, and areas for future research. 

A great thesis presentation should provide the panel with a summary of your research. For that reason, try to avoid dumping too much data or information onto your slides. Use Genially’s interactive infographics, diagrams and charts to highlight the most important points in an eye-catching visual format.

When it comes to the big day and defending your thesis, try to keep calm. Take a deep breath, introduce yourself to the committee and let your slides guide you. Your examiners will come armed with a list of questions, so the formal presentation will flow naturally into a Q&A.

How do I make a good final year project presentation?

If you’re an undergrad, you might be required to deliver a final year project presentation or dissertation presentation. It’s less formal than a graduate degree thesis defense, but the format is similar. You will be asked to present your research findings to faculty and peers with the help of slides. Your performance may count towards your final grade when you’re awarded your Bachelor’s degree.

A good presentation for a final year project should start with a title slide. At this point you should introduce your research question and explain why you chose the topic. If it’s a collaborative project, include a slide that introduces your teammates. 

The core part of your presentation should cover your methodology, findings, conclusions, and scope for future research. Wrap things up by thanking your contributors and invite your audience to ask questions.   

If you’re not sure how to make a final year project presentation, check out Genially’s free presentation slides for students. Choose from hundreds of professional templates that can be customized to any undergraduate or graduate project. With animated graphics and beautiful data visualizations, you can make standout slides in a matter of minutes.

If you’re submitting your presentation to your professor, try including interactive elements. Genially’s presentation builder allows you to embed online data, videos, audio, maps, PDFs, and hyperlinks in your slides. This can be a useful way to provide supporting evidence, sources, and additional documentation. 

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PhD Dissertation Defense Slides Design: Tips for designing the slides

• Tips for designing the slides
• Presentation checklist
• Example slides
• Additional Resources

Example Slides Repository

• Defense slides examples Link to examples dissertation defense slides.

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General tips for slide design

Use a plain background, for engineering, a plain, white background is generally ideal for dissertation proposals and defenses. don't pick a template that is too busy and distracting.,     , remember to add p age numbers, having page numbers in your slides will allow your advisors and peers to give comments. during your presentation, the committee members can use page numbers to reference specific slides for their questions. .

Less is more

Don't put too many words on one slide (no more than 20 words per slide, in general)., when words are inevitable, highlight the keywords in each sentence (see examples from i. daniel posen's and l. cook's slides).

Take advantage of animations

Use animations to explain complicated ideas in figures, tables, etc. you can use different slides instead of the animation functions in ms powerpoint; it will avoid overlapping text boxes or pictures when converted to pdf. , below is an example from c. kolb's defense slides. by a step-by-step revealing process, kolb was able to explain each detail without the distraction of other results. .

Write down your notes 

Write down your notes with either bullet points or full sentences as a script. this can help you to remember what you want to say during your defense. when you are practicing, you won't have to come up with new things to say every time and won't forget what you planned to talk about. .

Example 1: slide with notes - exact words to say (C. Mailings 2017)                                               Example 2: slide with notes - bullet points (I. D. Posen 2016) 

Be smart about the title of each slide

Use descriptive language to summarize the key point of the slide, and avoid using vague terms or the same title for several slides that have different contents..

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• Last Updated: Jan 9, 2024 11:18 AM
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DAVID STUTZ

Phd defense slides and lessons learned.

In July this year I finally defended my PhD which mainly focused on (adversarial) robustness and uncertainty estimation in deep learning. In my case, the defense consisted of a (public) 30 minute talk about my work, followed by questions from the thesis committee and audience. In this article, I want to share the slides and some lessons learned in preparing for my defense.

My PhD defense marks the successdful end of a four year journey in machine learning and computer vision research. While defense vary widely across institutions and universities, I had to prepare a 30 minute talk that is followed by questions from the committee and audience. In addition to the difficulty of squeezing several papers into a 30 minute polished talk, there was also a significant delay between submitting and defending my PhD — roughly 4 months. While I can't share the final thesis yet, you can find my defense slides below, followed by some lessons learned in preparing for my defense.

The slides include some GIFs, so with 27MB the download might take a second. Also, make sure to view them in a PDF viewer supporting animations:

Lessons Learned

Preparing for my defense took significantly longer than I initially estimated. I thought it could not be too hard to put together slides of all my projects, given that I already gave a few talks and had slides for most of my papers ready. However, preparing a polished talk that highlights achievements, giving a good high-level intuition while at the same time demonstrating technical knowledge, was incredibly difficult and took multiple iterations. Besides, I wanted to talk to steer the committee's questions to some extent and make sure I will stick to the 30 minute limit. Here are some lessons I learned surrounding the preparation:

• Start preparing early enough: Even though I thought the preparation to take less time, I took some long weekends roughly one and a half months before the defense to start preparing the slides. Looking back, this was a great decision as I ended up working on my slides until the last couple of days before the defense.
• Schedule a practice talk: In my case, a practice talk really made a huge difference. Initially, I included too much content in my slides and it was good to get objective feedback on what to focus on, where more details and time is required and which topics can be covered with less details. I had the practice talk two weeks before the defense and I really used these two weeks to improve my presentation.
• Practice: Before the practice talk, I practiced the talk and timed it to the minute. This really came in handy in the end because it reduced stress as I knew exactly how to start or get back into the talk on each slide. During the talk this was also helpful as interruptions didn't break the flow of my presentation.
• Backup slides: Even though I did not end up using most of my backup slides, preparing them helped me to think about potential questions that the committee might ask.
• Test the setup: A day before the defense, I tested the technical setup. As my defense was hybrid, there was a lot that could go wrong — the virtual meeting room, the microphone etc. It really reduced stress to have it tested once before the defense. Some things that are important to keep in mind is that the setup should also take into account discussion and questions of the committee/audience which are sometimes difficult to handle in a hybrid setting.

Regarding the content of the talk, I found the following to work well — and I found a similar scheme can be found in many other defenses, as well:

• Fuse motivation with the outline: I ended up putting a lot of effort into a good motivation of my talk that also happened to reflect the outline of my talk. This really helped to tell a consistent high-level story throughout the talk.
• Highligh achievements: I feel that it was important to highlight the papers that I have published over the years — even those not included in the talk.
• Technical detail: For two projects, I decided to go into technical detail. While I did not have many technical questions, I got the impression that this was expected by the commitee. Of course, it was tricky to decide which projects to highlight in detail as this usually means that all other projects can only be covered on a higher level.
• Ignore some projects: In order to go into technical detail for few projects, I decided to not talk about three of my papers. I just mentioned this line of work in my conclusion and the introduction. Initially, I found it difficult to let go of these parts, but it helped to improve the focus of the talk.
• Have some slides on future work: An easy way to steer the discussion/questions after the defense talk are future work topics. Also, I found that these slides can be used to end the talk on a positive note by expressing your excitement about future research — note that I had these slides after the conclusion.

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Yao Ji Defense - School of Industrial Engineering - Purdue University

2024-08-26 10:00:00 2024-08-26 11:00:00 America/Indiana/Indianapolis Yao Ji Defense Yao Ji PhD Defense GRIS 302

Yao Ji Defense

Distributed optimization problems defined over  mesh networks are ubiquitous in signal processing, machine learning, and control.  In contrast to centralized approaches where all information and computation resources are available at a centralized server, agents on a distributed system can only use locally available information.  As a result, efforts have been put into the design of efficient distributed algorithms that take into account the communication constraints and make coordinated decisions in a fully distributed manner from a pure optimization perspective. However, as there's an increasing amount of data with high-dimensional features that are generated inherently by distributed systems such as social media, sensor networks, and cloud-based databases, it is crucial to understand the statistical and computational guarantees of distributed algorithms to solve such high dimensional problems over a mesh network.

A goal of this thesis is a first attempt at studying the behavior of distributed methods in the high-dimensional regime. The first task is to establish statistical and computational guarantees in the high-dimensional regime for distributed algorithms. Specifically, we study linear regression from data distributed over a network of agents (with no master node) by means of LASSO estimation, in high-dimension, which allows the ambient dimension to grow faster than the

sample size. While there is a vast literature of distributed algorithms applicable to the problem,   statistical and computational guarantees of most of them remain unclear in high dimensions. This thesis provides a first statistical study of the Distributed Gradient Descent (DGD) in the Adapt-Then-Combine (ATC) form. Our theory shows that, under standard notions of restricted strong convexity and smoothness of the loss functions--which hold with high probability for standard data generation  models--suitable conditions on the network connectivity and algorithm tuning, DGD-ATC converges globally at a linear rate to an estimate that is within the centralized statistical precision of the model. In the worst-case scenario, the total number of communications to statistical optimality grows logarithmically  with the ambient dimension, which   improves on the communication complexity of DGD in the Combine-Then-Adapt (CTA) form,   scaling linearly with the dimension.  This reveals that mixing gradient information among agents, as DGD-ATC does, is critical in high-dimensions to obtain favorable rate scalings.  

Next, we address the problem of distributed stochastic sparse recovery through  stochastic optimization. We develop and analyze stochastic optimization algorithms for problems over a network, modeled as an undirected graph (with no centralized node), where the expected loss is strongly convex with respect to the Euclidean norm, and the optimum is sparse. Assuming agents only have access to unbiased estimates of the gradients of the underlying expected objective, and stochastic gradients are sub-Gaussian, we use non-Euclidean distributed stochastic dual averaging (DSDA) as a building block to develop a fully decentralized restarting procedure for recovery of sparse solutions over a network. We show that with high probability, the iterates generated by all agents linearly converge to an approximate solution, eliminating fast the  initial error; and then converge sublinearly to the exact sparse solution in the steady-state stages owing to observation noise. The algorithm asymptotically achieves the optimal convergence rate and dimension dependence enjoyed by a non-Euclidean centralized scheme. Further, we precisely identify its non-asymptotic convergence rate as a function of characteristics of the objective functions and the network, and we characterize the transient time needed for the algorithm to approach the optimal rate of convergence.  We illustrate the performance of the algorithm in application to classical problems of sparse linear regression and low rank matrix recovery. Numerical experiments demonstrate the tightness of the theoretical results.

  bio: Yao Ji is a fifth-year Ph.D. candidate in Industrial Engineering at Purdue University, co-advised by Professors Gesualdo Scutari and Harsha Honnappa.  Her research focuses on decentralized estimation and inference, distributed optimization, stochastic optimization, and high-dimensional probability and statistics.  She will be joining  H. Milton Stewart School of Industrial and Systems Engineering (ISyE)  at  Gerogia Technology of Institutes  as an H. Milton Stewart Postdoctoral Fellow in Fall 2024.