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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Pei-Hao Su (Eddy)</title>
<style>
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</head>
<body>
<div class="header-section">
<img src="assets/img/photos/profile_pic_eddy.jpg" alt="Pei-Hao Su" class="profile-img">
<div class="header-text">
<h1>Eddy (Pei-Hao) Su</h1>
<div class="social-links">
<a href="https://github.com/eddy0613">GitHub</a>
<a href="https://twitter.com/peihaosu">Twitter</a>
<a href="https://uk.linkedin.com/in/phs26">LinkedIn</a>
<a href="https://scholar.google.com/citations?user=5La6VV4AAAAJ&hl=zh-TW">Google Scholar</a>
<!-- <a href="assets/doc/Professional_CV_Pei-Hao_Su_2021.pdf">CV</a> -->
</div>
</div>
</div>
<h2>About</h2>
<p>I co-founded <a href="https://www.poly-ai.com/" target="_blank">PolyAI</a> in 2017 to develop conversational AI
platform for Enterprise-Ready Voice Assistants.</p>
<p>I obtained my PhD in <a href="http://mi.eng.cam.ac.uk/research/dialogue/" target="_blank">Statistical Spoken
Dialogue Systems</a> at <a href="http://www.eng.cam.ac.uk/" target="_blank">Cambridge University</a>
supervised by <a href="https://en.wikipedia.org/wiki/Steve_Young_(academic)" target="_blank">Professor Steve
Young</a>. My PhD was funded by <a
href="https://www.cambridgetrust.org/scholarships/taiwan-cambridge-scholarship" target="_blank">Taiwan
Cambridge Scholarship</a>, and I was a member of <a href="http://www.queens.cam.ac.uk/"
target="_blank">Queens' College</a>. I was also fortunate to work with
<a href="https://yuandong-tian.com/" target="_blank">Dr. Yuandong Tian</a> at Facebook AI Research in the last
summer of my PhD.
</p>
<p>My primary research interest lies mainly in the intersection of deep learning and reinforcement learning for
spoken dialogue systems, aiming to set up an unified framework for language understanding/replying and a system
that is capable of scaling to broad domains and directly learn from human user interaction.</p>
<p>Prior to Cambridge, I received my Bachelor and Master degree in <a href="http://www.eecs.ntu.edu.tw/main.php"
target="_blank">EECS</a> from <a href="http://www.ntu.edu.tw/english/" target="_blank">National Taiwan
University</a>, where I joined the Digital Speech Processing Laboratory held by <a
href="http://speech.ee.ntu.edu.tw/previous_version/lslNew.htm" target="_blank">Professor Lin-shan Lee</a>
and focused on statistical dialogue modelling for personalising pronunciation training in a dialogue game.</p>
<h2>Timeline</h2>
<div class="timeline-item">
<img src="assets/img/logos/polyai.png" alt="PolyAI" class="timeline-logo">
<div class="timeline-content">
<div class="timeline-date">Nov 2017 - present</div>
<div class="timeline-title">PolyAI</div>
<div class="timeline-description">Cofounder</div>
</div>
</div>
<div class="timeline-item">
<img src="assets/img/logos/meta.png" alt="Facebook AI Research" class="timeline-logo">
<div class="timeline-content">
<div class="timeline-date">Summer 2017</div>
<div class="timeline-title">Facebook AI Research</div>
<div class="timeline-description">Research Intern · Advisor: Dr Yuandong Tian</div>
</div>
</div>
<div class="timeline-item">
<img src="assets/img/logos/cambridge.png" alt="University of Cambridge" class="timeline-logo">
<div class="timeline-content">
<div class="timeline-date">Oct 2014 - May 2018</div>
<div class="timeline-title">University of Cambridge</div>
<div class="timeline-description">PhD in Engineering · Advisor: Professor Steve Young</div>
</div>
</div>
<div class="timeline-item">
<img src="assets/img/logos/ntu.png" alt="National Taiwan University" class="timeline-logo">
<div class="timeline-content">
<div class="timeline-date">Jan 2012 - June 2013</div>
<div class="timeline-title">National Taiwan University</div>
<div class="timeline-description">M.Sc. in Communication Engineering · Advisor: Professor Lin-shan Lee</div>
</div>
</div>
<div class="timeline-item">
<img src="assets/img/logos/ntu.png" alt="National Taiwan University" class="timeline-logo">
<div class="timeline-content">
<div class="timeline-date">June 2007 - Jan 2012</div>
<div class="timeline-title">National Taiwan University</div>
<div class="timeline-description">B.Sc. in Electrical Engineering</div>
</div>
</div>
<h2>Awards</h2>
<ul>
<li><a href="https://www.polyai.com/polyai-awarded-company-of-the-year-2019-by-the-cambridge-computer-lab-ring/"
target="_blank">Company of the Year</a>, Cambridge Computer Lab Ring, 2019</li>
<li><span class="award">Best Student Paper Award</span>, ACL, 2016</li>
<li>W. G. Collins Endowment Fund Award, Cambridge University Engineering Dept., 2016</li>
<li>Interspeech Travel Grant, ISCA, 2015</li>
<li>Taiwan Cambridge Scholarship, Cambridge Trust & MOE of Taiwan, 2014-17</li>
<li>Government Scholarship for Studying Abroad (waived), MOE of Taiwan, 2014</li>
<li>ICASSP Travel Grant, National Science Council of Taiwan, 2013</li>
<li>Advanced Speech Technologies Scholarship, NTU EECS Department, 2012</li>
<li>Best Intern, Trend Micro Inc., 2012</li>
<li>Dean's List, NTU, 2008</li>
</ul>
<h2>Selected Publications</h2>
<p><i>First author and main work only. See my <a
href="http://scholar.google.com/citations?user=5La6VV4AAAAJ&hl=zh-TW">Google Scholar page</a> for full
list.</i></p>
<h3>PhD Thesis</h3>
<ul>
<li><strong>"Reinforcement Learning and Reward Estimation for Dialogue Policy Optimisation"</strong>, PhD
Thesis, University of Cambridge. [<a href="assets/doc/PhDThesis_Pei-Hao_Su.pdf" target="_blank">PDF</a>] [<a
href="assets/doc/su_thesis_2018.bib">bib</a>]</li>
</ul>
<h3>Journal Articles</h3>
<ul>
<li><strong>"Reward estimation for dialogue policy optimisation"</strong>, Computer Speech & Language, Volume
51, September 2018. [<a href="assets/doc/CSL_2018_SU.pdf" target="_blank">PDF</a>] [<a
href="assets/doc/sgy18.bib">bib</a>]<br>
Pei-Hao Su, Milica Gašić, and Steve Young</li>
<li><strong>"A Recursive Dialogue Game for Personalized Computer-Aided Pronunciation Training"</strong>, IEEE
Transaction on Audio, Speech and Language Processing, January 2015. [<a href="assets/doc/TASLP_2015_SU.pdf"
target="_blank">PDF</a>] [<a href="assets/doc/SuWL15.bib">bib</a>]<br>
Pei-hao Su, Chuan-hsun Wu, and Lin-shan Lee</li>
</ul>
<h3>Conference Papers</h3>
<ul>
<li><strong>"On-line Active Reward Learning for Policy Optimisation in Spoken Dialogue Systems"</strong>, ACL
2016. <span class="award">(Best Student Paper Award)</span><br>
[<a href="assets/doc/sgmr16a.pdf" target="_blank">PDF</a>] [<a href="assets/doc/sgmr16a.bib">bib</a>] [<a
href="assets/doc/ACL_2016_final.pdf">slides</a>] [<a
href="https://www.repository.cam.ac.uk/handle/1810/256020/">data</a>] [<a
href="http://techtalks.tv/talks/on-line-active-reward-learning-for-policy-optimisation-in-spoken-dialogue-systems/63230/">video</a>]<br>
Pei-Hao Su, Milica Gašić, Nikola Mrkšić, Lina Rojas-Barahona, Stefan Ultes, David Vandyke, Tsung-Hsien Wen
and Steve Young</li>
<li><strong>"Reward Shaping with Recurrent Neural Networks for Speeding up On-Line Policy Learning in Spoken
Dialogue Systems"</strong>, SIGDIAL 2015. [<a href="assets/doc/svgm15.pdf" target="_blank">PDF</a>] [<a
href="assets/doc/svgm15.bib">bib</a>]<br>
Pei-Hao Su, David Vandyke, Milica Gašić, Nikola Mrkšić, Tsung-Hsien Wen and Steve Young</li>
<li><strong>"Learning from Real Users: Rating Dialogue Success with Neural Networks for Reinforcement Learning
in Spoken Dialogue Systems"</strong>, Interspeech 2015. [<a href="assets/doc/svgk15.pdf"
target="_blank">PDF</a>] [<a href="assets/doc/svgk15.bib">bib</a>]<br>
Pei-Hao Su, David Vandyke, Milica Gašić, Dongho Kim, Nikola Mrkšić, Tsung-Hsien Wen and Steve Young</li>
</ul>
<h2>Featured Talks</h2>
<h3>Tutorial</h3>
<ul>
<li><strong>"Deep Learning for Conversational AI"</strong>, NAACL 2018 tutorial. [<a
href="https://www.poly-ai.com/naacl18" target="_blank">Website</a>]</li>
</ul>
<h3>Selected Invited Talks</h3>
<ul>
<li>"Practical Approaches to Conversational AI", ODSC 2018</li>
<li>"Reward Estimation for Dialogue Policy Optimisation", DeepHack.Turing Summer School Hackathon, Moscow,
Russia, 2017. [<a href="assets/doc/talks/DeepHack_talk_25072017.pdf" target="_blank">slides</a>]</li>
<li>"Beyond Siri: towards fully data-driven conversational systems", Queens' College Cambridge Grad Talk, 2017
</li>
<li>"Practical Human-in-the-loop Reinforcement Learning in Spoken Dialogue Systems", Apple Cambridge, 2016</li>
</ul>
<h2>Teaching</h2>
<ul>
<li><strong>Spring 2017:</strong> MPhil Project Supervision on Sample-efficient Reinforcement Learning for
Dialogue Management, Cambridge University</li>
<li><strong>Spring 2017:</strong> Reinforcement Learning, MPhil in Machine Learning, Speech and Language
Technology, Cambridge University</li>
<li><strong>Fall 2016:</strong> Introduction to Python, Murray Edwards College, Cambridge University</li>
<li><strong>Spring 2016:</strong> Statistical Dialogue Systems, MPhil in Machine Learning, Speech and Language
Technology, Cambridge University</li>
<li><strong>2012-2013:</strong> Digital Speech Processing, EECS Department, National Taiwan University</li>
</ul>
<h2>Contact</h2>
<p>
Email: eddy@poly.ai<br>
</p>
<footer>
<p>© 2026 Pei-Hao (Eddy) Su</p>
</footer>
</body>
</html>