AI Research Engineer

Joined October 2021
1/7 Can AI debate reduce reward hacking in RLAIF? Training against a weak LLM judge, RLAIF hacks: reward rises but judge and policy accuracy both collapse. Debate with an adversarial critic maintains judgments, allowing the policy to recover 45% of the performance gap to RLVR 🧵
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My MATS applications are open! Come do research mentored by me. Due Sept 4. All backgrounds welcome! I've supervised 60 scholars and they get better each cohort, I'm excited to meet this round's! The application: spend a weekend doing a safety research task Scholar highlights:
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GDM AGI Safety is hiring! Open roles on all subteams, Lon/Bay/more There's lots to do to reduce risks from AGI at Google, but we're bottlenecked on people. If you want to help, please apply! I really love this team and my excellent colleagues. I'm excited to hire more!
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