Overview
Yuji Chai is co-founder and Chief Technology Officer at Stochastic[1], a company offering personalized AI tools to boost productivity and creativity[2]. Chai has held the position since January 2022[3]. Prior to founding Stochastic, Chai worked as a Machine Learning Research Engineer at NVIDIA from May to August 2022[5] and as a Machine Learning Researcher at Arm from May to August 2021[6]. Chai also served as a Graduate Research Assistant at Harvard John A. Paulson School of Engineering and Applied Sciences from September 2019 to November 2025[4]. Chai holds a Doctor of Philosophy in Computer Science from Harvard University, earned between 2019 and 2025[7], and dual Bachelor of Science degrees in Electrical and Electronics Engineering and Engineering Physics/Applied Physics from the University of Illinois Urbana-Champaign, completed in 2019[8][9].
Profile introduction
Boost your productivity and creativity through personalized AI @ https://www.stochastic.ai/
Career history
- Co-founder & Chief Technology OfficerJan 2022 to presentStochastic
- Graduate Research AssistantSep 2019 to Nov 2025Harvard John A. Paulson School of Engineering and Applied Sciences
- Machine Learning Research EngineerMay 2022 to Aug 2022NVIDIA
- Machine Learning ResearcherMay 2021 to Aug 2021Arm
Education
Doctor of Philosophy - PhD, Computer Science2019 - 2025Harvard University
Bachelor of Science - BS, Electrical and Electronics Engineering2015 - 2019University of Illinois Urbana-Champaign
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