Lilian Weng is an AI Researcher and the Co-founder of Thinking Machines Lab, a position she has held since 2025. Her career in technology and artificial intelligence includes a significant tenure at OpenAI for 6 years and 10 months.
Prior to co-founding Thinking Machines Lab, Weng gained experience as a Staff Machine Learning Engineer at Affirm, Inc. from February 2016 to February 2018.