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People / Yingtong Liu
YL
Career profile

Yingtong Liu

OpenAI | Statsig | Ph.D. in system security

Greater Seattle Area

Career path.

  1. OpenAI

    Member of Technical Staff

    Dec 2025 - Present
  2. Statsig

    Software Engineer

    Mar 2025 - Dec 2025
  3. Stealth Startup

    Research Engineer

    Jul 2023 - Mar 2025
  4. CertiK

    Senior Software Engineer

    Sep 2022 - May 2023
  5. Microsoft

    Research Intern

    Jun 2020 - Sep 2020
  6. Marconi

    Software Engineer

    Jun 2017 - Sep 2017