Wei Chen
Chicago, Illinois United States
Summary
👤
Senior🎓
Top SchoolWei Chen is an ML-focused Member of Technical Staff with 11 years of experience bridging academic AI4Science research and high-impact ads ML in industry. He holds a PhD in condensed matter physics and has authored 45+ publications across AI/ML, physics, materials, bio- and geo-science while co-leading early-career investigators at Harvard IMASC and guest lecturing in Harvard's chemistry department. In industry he has driven ads targeting, retrieval, multi-stage ranking, and integrity systems at scale—contributing to products that support billions in revenue and initiating LLM-based retrieval projects. Technically fluent in Python, SQL, Spark, GNNs, transfer learning and ranking, he combines production ML engineering with deep scientific modeling and database building. Now on the founding team at Periodic Labs after leading Ads ML at TikTok and Twitter, he uniquely translates complex scientific methods into robust, scalable ML products. An uncommon strength is his record of moving cutting-edge scientific ideas into productionized systems across both national lab and consumer-advertising environments.
11 years of coding experience
Bachelor of Science (B.S.), Physics, Bachelor of Science (B.S.), Physics at Nanjing UniversityUniversity of Illinois Urbana-Champaign
Chinese, English
Github Skills (91)
minecraft10
python10
deep-learning10
directories10
sampling10
autoencoder10
neural-network10
autojump10
jax10
cli10
data-science10
tensorflow10
simulation10
pytorch10
filesystem10
Programming languages (5)
Github contributions (5)
weiHelloWorld/introduction-to-data-science
Feb 2015 - May 2015
Contributions:102 commits, 57 pushes, 1 branch in 2 months
weiHelloWorld/ANN_Force
Apr 2016 - Jul 2018
Contributions:139 commits, 5 pushes, 2 branches in 2 years 3 months
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