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SL
Career profile

Sangjun Lee

Human Factors Research at OpenAI | Ex-Apple, Harvard PhD

San Francisco Bay Area

Career path.

  1. OpenAI

    Member of Design Staff | Human Factors Research

    Oct 2025 - Present
  2. Apple

    Human Factors and Biomechanics Researcher

    Jun 2021 - Oct 2025
  3. Harvard University

    Research Assistant

    Sep 2014 - Feb 2021
  4. KIST(Korea Institute of Science and Technology)

    Research Intern

    Mar 2013 - Feb 2014
  5. Seoul National University

    Research Assistant

    Mar 2011 - Feb 2013