1<!DOCTYPE html> 2<html lang="en" data-theme="light"> 3<head> 4 <meta charset="UTF-8"> 5 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 6 <title>Hardik Meisheri â Applied Scientist</title> 7 <meta name="description" content="Senior Applied Scientist at Microsoft AI. Research in Reinforcement Learning, LLMs, NLP, and Supply Chain AI."> 8 <meta property="og:title" content="Hardik Meisheri"> 9 <meta property="og:description" content="Senior Applied Scientist at Microsoft AI. Research in Reinforcement Learning, LLMs, NLP, and Supply Chain AI."> 10 <meta property="og:type" content="website"> 11 <link rel="preconnect" href="https://fonts.googleapis.com"> 12 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> 13 <link href="https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;1,14..32,400&display=swap" rel="stylesheet"> 14 <link rel="stylesheet" href="assets/css/style.css"> 15 <link rel="stylesheet" href="assets/css/notebook.css"> 16</head> 17<body class="research-home"> 18<a class="skip-link" href="#about">Skip to content</a> 19<img class="margin-art research-desk" src="assets/images/research-desk.png" width="1024" height="1536" alt="" aria-hidden="true"> 20<img class="margin-art research-pinboard" src="assets/images/research-pinboard.png" width="1024" height="1536" alt="" aria-hidden="true" loading="lazy"> 21 22<!-- âââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ NAVIGATION --> 23<header class="site-header" id="site-header"> 24 <nav class="nav container"> 25 <a href="#about" class="nav-name" aria-label="Hardik Meisheri â home">hm<span class="name-dot">.</span></a> 26 <ul class="nav-links" id="nav-links"> 27 <li><a href="#about" class="nav-link">About</a></li> 28 <li><a href="#experience" class="nav-link">Work</a></li> 29 <li><a href="#publications" class="nav-link">Research</a></li> 30 <li><a href="#contact" class="nav-link">Contact</a></li> 31 <li><a href="blog/" class="nav-link">Notes</a></li> 32 </ul> 33 <div class="nav-actions"> 34 <button class="theme-toggle" id="theme-toggle" aria-label="Toggle dark mode" title="Toggle dark mode"> 35 <svg class="icon-sun" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.93 4.93l1.41 1.41M17.66 17.66l1.41 1.41M2 12h2M20 12h2M6.34 17.66l-1.41 1.41M19.07 4.93l-1.41 1.41"/></svg> 36 <svg class="icon-moon" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 3a6 6 0 0 0 9 9 9 9 0 1 1-9-9Z"/></svg> 37 </button> 38 <button class="nav-hamburger" id="nav-hamburger" aria-label="Toggle menu" aria-expanded="false" aria-controls="nav-links"> 39 <span></span><span></span><span></span> 40 </button> 41 </div> 42 </nav> 43</header> 44 45<main> 46 47<!-- ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ ABOUT --> 48<section id="about" class="section-about"> 49 <div class="container about-grid"> 50 <div class="about-photo-wrap"> 51 <img src="content/authors/admin/avatar.jpg" alt="Hardik Meisheri" class="about-photo" loading="eager"> 52 <span class="photo-caption">Away from the desk.</span> 53 </div> 54 <div class="about-content"> 55 <p class="eyebrow">APPLIED SCIENCE · MACHINE LEARNING</p> 56 <h1 class="about-name">Hi, Iâm Hardik<span>.</span></h1> 57 58 <p class="about-lede">Trying to build better models.<br>Learning a little more with each iteration.</p> 59 <p class="about-bio">Iâm a Senior Applied Scientist at Microsoft AI, where I work on foundation models for advertising. My research spans reinforcement learning and NLP, with applications in supply chains, games, and sentiment analysis.</p> 60 <p class="about-bio">
60Before Microsoft, I worked at Amazon Advertising and TCS Research. Here youâll find my papers and notes on what Iâve been learning.</p> 61 <div class="social-links"> 62 <a href="mailto:[email protected]" class="social-link" aria-label="Email"> 63 <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect width="20" height="16" x="2" y="4" rx="2"/><path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7"/></svg> 64 Email 65 </a> 66 <a href="https://scholar.google.co.in/citations?user=7y5pV-gAAAAJ&hl=en" class="social-link" target="_blank" rel="noopener" aria-label="Google Scholar"> 67 <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="currentColor"><path d="M12 24a7 7 0 1 1 0-14 7 7 0 0 1 0 14zm0-24L0 9.5l4.838 3.94A8 8 0 0 1 12 9a8 8 0 0 1 7.162 4.44L24 9.5z"/></svg> 68 Scholar 69 </a> 70 <a href="https://github.com/hardikmeisheri" class="social-link" target="_blank" rel="noopener" aria-label="GitHub"> 71 <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="currentColor"><path d="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12"/></svg> 72 GitHub 73 </a> 74 <a href="https://www.linkedin.com/in/hardik-meisheri/" class="social-link" target="_blank" rel="noopener" aria-label="LinkedIn"> 75 <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="currentColor"><path d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433a2.062 2.062 0 0 1-2.063-2.065 2.064 2.064 0 1 1 2.063 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z"/></svg> 76 LinkedIn 77 </a> 78 <a href="static/files/cv.pdf" class="social-link" target="_blank" rel="noopener" aria-label="Curriculum Vitae"> 79 <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/></svg> 80 CV 81 </a> 82 </div> 83 </div> 84 </div> 85</section> 86 87<!-- ââââââââââââââââââââââââââââââââââââââââââââââââââââ PUBLICATIONS --> 88<section id="publications" class="section"> 89 <div class="container"> 90 <div class="section-heading"><h2 class="section-title">Selected research</h2><span class="section-aside">Browse by topic</span></div> 91 <p class="section-intro">Pick a topic to browse the papers. Some work belongs to more than one area.</p> 92 93 <div id="research-explorer" class="research-explorer" hidden> 94 <div id="topic-wheel" class="topic-wheel" role="group" aria-label="Research topics"></div> 95 <div class="topic-caption"><span class="notebook-label">RESEARCH INTERESTS</span>
95<p>Different problems,<br>shared questions.</p><span>How can models learn from less data<br>and make better decisions?</span></div> 96 </div> 97 <div id="topic-results" class="topic-results" hidden><h3 id="topic-title">Selected papers</h3><p id="topic-description"></p><p id="topic-status" role="status" aria-live="polite"></p></div> 98 <noscript><p>Browse my <a href="https://scholar.google.co.in/citations?user=7y5pV-gAAAAJ&hl=en">publications on Google Scholar</a>.</p></noscript> 99 <!-- Selected work with abstracts --> 100 <div id="selected-pubs" class="sel-pub-list"></div> 101 102 <!-- Full chronological list --> 103 <details class="publication-archive"><summary>Explore all publications & patents <span aria-hidden="true">â</span></summary> 104 <div id="publications-list" class="pub-compact-list" role="list"> 105 <div class="loading-state">Loading…</div> 106 </div> 107 </details> 108 </div> 109</section> 110 111<!-- ââââââââââââââââââââââââââââââââââââââââââââââââââââââââ EXPERIENCE --> 112<section id="experience" class="section"> 113 <div class="container"> 114 <div class="section-heading"><h2 class="section-title">Along the way</h2><span class="section-aside">Work</span></div> 115 <div class="exp-list"> 116 117 <details class="career-row"><summary><span class="career-mark company-icon" aria-hidden="true"><svg viewBox="0 0 24 24"><path fill="#f25022" d="M1 1h10v10H1z"/><path fill="#7fba00" d="M13 1h10v10H13z"/><path fill="#00a4ef" d="M1 13h10v10H1z"/><path fill="#ffb900" d="M13 13h10v10H13z"/></svg></span><span class="career-heading"><span class="career-company">Microsoft AI</span><span class="career-role">Senior Applied Scientist</span></span><span class="career-period">Apr 2025 â Present</span><span class="disclosure-plus" aria-hidden="true">+</span></summary><div class="career-detail"><p>I work on foundation models for advertising.</p><p class="career-source"><a href="https://microsoft.ai/" target="_blank" rel="noopener">Microsoft AI</a></p></div></details> 118 119 <details class="career-row"><summary><span class="career-mark company-icon" aria-hidden="true"><svg viewBox="0 0 32 32"><text x="8" y="23" font-family="Georgia,serif" font-weight="bold" font-size="30" fill="currentColor">a</text><path d="M5 26q11 7 23-1m-5-1 5 1-2 4" fill="none" stroke="#e69932" stroke-width="2" stroke-linecap="round"/></svg></span><span class="career-heading"><span class="career-company">Amazon Advertising</span><span class="career-role">Applied Scientist II</span></span><span class="career-period">Dec 2022 â Mar 2025</span><span class="disclosure-plus" aria-hidden="true">+</span></summary><div class="career-detail"><p>I worked on foundation models and multilingual models for ad moderation. Active learning reduced annotation needs by 80%. Fine-tuning with human feedback automated 16% more ad policy decisions.</p><p class="career-source"><a href="https://advertising.amazon.com/" target="_blank" rel="noopener">Amazon Advertising</a></p></div></details> 120 121 <details class="career-row"><summary><span class="career-mark company-icon" aria-hidden="true"><svg viewBox="0 0 40 32"><text x="2" y="23" font-family="Arial,sans-serif" font-weight="bold" font-size="22" letter-spacing="-2" fill="#956098">tcs</text></svg></span><span class="career-heading"><span class="career-company">TCS Research · Mumbai</span><span class="career-role">Researcher, Technical Lead</span></span><span class="career-period">May 2018 â Dec 2022</span><span class="disclosure-plus" aria-hidden="true">+</span></summary><div class="career-detail"><p>I worked on supply chain optimization with deep RL (6 publications and 3 patents), multi-agent games including Pommerman (3 publications), and sample-efficient RL, general value functions, and policy optimization (4 publications).</p><p class="career-source"><a href="https://www.tcs.com/research-and-innovation" target="_blank" rel="noopener">TCS Research</a> · Mumbai</p></div></details> 122 123 <details class="career-row"><summary><span class="career-mark company-icon" aria-hidden="true"><svg viewBox="0 0 40 32"><text x="2" y="23" font-family="Arial,sans-serif" font-weight="bold" font-size="22" letter-spacing="-2" fill="#956098">tcs</text></svg></span><span class="career-heading"><span class="career-company">TCS Research · Gurgaon</span><span class="career-role">Researcher</span></span><span class="career-period">Jul 2016 â May 2018</span><span class="disclosure-plus" aria-hidden="true">+</span></summary><div class="career-detail"><p>I studied sentiment analysis, stock market prediction from news, and behavior in Reddit and Twitter communities.</p><p class="career-source"><a href="https://www.tcs.com" target="_blank" rel="noopener">TCS Research</a> · Gurgaon</p></div></details> 124 125 </div> 126 </div> 127</section> 128 129<section id="notes" class="section"> 130 <div class="container"> 131 <div class="section-heading"><h2 class="section-title">Research notes</h2><a class="section-aside" href="blog/">All notes â</a></div> 132 <a class="note-row" href="blog/lessons-llm.html"><span>Lessons from working with LLMs</span><span>2025 â</span></a> 133 <a class="note-row" href="blog/neurips-2019.html"><span>Notes from NeurIPS 2019</span><span>2019 â</span></a> 134 <a class="note-row" href="blog/emnlp-2018.html"><span>Notes from EMNLP 2018</span><span>2019 â</span></a> 135 </div> 136</section> 137<!-- CONTACT --> 138<section id="contact" class="section"> 139 <div class="container contact-wrap"> 140 <h2 class="contact-title">Letâs talk research.</h2> 141 <p class="contact-text">If youâre working on a related problem or have a question about a paper, feel free to email me.</p> 142 <a href="mailto:[email protected]" class="contact-email">[email protected]</a> 143 <div class="contact-socials"> 144 <a href="https://scholar.google.co.in/citations?user=7y5pV-gAAAAJ&hl=en" target="_blank" rel="noopener">Google Scholar</a>
145 <span>·</span> 146 <a href="https://github.com/hardikmeisheri" target="_blank" rel="noopener">GitHub</a> 147 <span>·</span> 148 <a href="https://www.linkedin.com/in/hardik-meisheri/" target="_blank" rel="noopener">LinkedIn</a> 149 <span>·</span> 150 <a href="https://twitter.com/Hardik_Meisheri" target="_blank" rel="noopener">Twitter</a> 151 </div> 152 </div> 153</section> 154 155</main> 156 157<footer class="site-footer"> 158 <div class="container"> 159 <p>© <span id="footer-year">2026</span> Hardik Meisheri</p> 160 </div> 161</footer> 162 163<!-- BibTeX modal --> 164<div class="bib-modal" id="bib-modal" role="dialog" aria-modal="true" aria-label="BibTeX citation"> 165 <div class="bib-modal-inner"> 166 <div class="bib-modal-header"> 167 <span class="bib-modal-title">BibTeX</span> 168 <button class="bib-modal-close" id="bib-modal-close" aria-label="Close">×</button> 169 </div> 170 <pre class="bib-code" id="bib-code"></pre> 171 <button class="bib-copy-btn" id="bib-copy-btn">Copy</button> 172 </div> 173</div> 174<div class="bib-overlay" id="bib-overlay"></div> 175
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