Chengos Lim

Career path.

1. Cognition

   Executive Operations

   Jan 2026 - Present
2. OpenAI

   Child Safety Lead

   Aug 2024 - Aug 2025
3. Technology Coalition, Inc.

   Board of Directors

   Jun 2023 - Aug 2024
4. Roblox

   Director of Safety

   May 2021 - Aug 2024
5. Tech Coalition

   President

   Jun 2019 - Jun 2020
6. Tech Coalition

   Board of Directors

   Jun 2018 - Jun 2019
7. Dropbox

   Head of Content Safety

   Jul 2015 - May 2021
8. Facebook

   Safety Specialist

   Nov 2010 - Mar 2014
9. Facebook

   Hate & Harassment Specialist

   Jan 2009 - Nov 2010
10. Facebook

    Brazil Team Specialist

    Jan 2009 - Jan 2011
11. Stanford Linear Accelerator

    Stanford Tour Guide

    Jan 2007 - Jan 2007
12. Stanford Linear Accelerator

    Resident Assistant

    Sep 2004 - Sep 2007
13. VA Palo Alto Medical Center

    Research Assistant Summer Intern

    Jun 2004 - Sep 2004