Ka Tsai K.

Career path.

1. OpenAI

   Trust and Safety

   Feb 2026 - Present
2. TikTok

   Interim Lead, Cross Issue and Product

   Jul 2025 - Jan 2026
3. TikTok

   Policy Manager, Cross Issue and Product, Policy Development

   Mar 2025 - Jan 2026
4. TikTok

   AI Foundation Models Policy Lead, Trust and Safety

   Sep 2024 - Mar 2025
5. TikTok

   Product Policy Lead, AI Safety

   Feb 2024 - Sep 2024
6. TikTok

   Cross-Issue Policy Lead (Behavioral Health and Regulated Content), Product Policy

   Mar 2023 - Feb 2024
7. Twitter

   Senior Policy Domain Specialist, Site Integrity (Trust and Safety)

   Feb 2022 - Dec 2022
8. Twitter

   Senior Policy Domain Specialist, Site Policy (Trust and Safety)

   Jul 2021 - Feb 2022
9. Twitter

   Policy Domain Specialist, Site Policy (Trust and Safety)

   Apr 2020 - Jul 2021
10. Twitter

    Policy Specialist, Site Policy (Trust and Safety)

    Dec 2018 - Apr 2020
11. Twitter

    Agent, Site Policy (Trust and Safety)

    Dec 2017 - Dec 2018
12. Twitter

    Contractor Agent, Site Policy (Trust and Safety)

    Jul 2017 - Dec 2017
13. Ministry of Foreign Affairs Singapore

    Country Officer

    Jun 2015 - Jul 2017