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People / Joey Yu
JY
Career profile

Joey Yu

Professional next token predictor

San Francisco, California, United States

Career path.

  1. OpenAI

    Member of Technical Staff

    Sep 2025 - Present
  2. Tower Research Capital

    Quantitative Trader

    Feb 2024 - Sep 2025
  3. DRW

    Quantitative Research Intern

    Jun 2023 - Aug 2023
  4. Citadel

    Software Engineer Intern

    Jun 2022 - Aug 2022
  5. Hudson River Trading

    Algorithm Developer Intern

    Jun 2021 - Aug 2021
  6. Rippling

    Software Engineer Intern

    May 2020 - Aug 2020
  7. Uber

    Research Intern

    May 2019 - Aug 2019
  8. Ivy Global

    Software Engineer Intern

    Sep 2016 - Dec 2018