Left over concerns about copyright law violations in ChatGPT's training data. Said 'If you believe what I believe, you have to just leave the company.' Became a whistleblower. Found dead in his apartment on November 26, 2024.

Resigned because he disagreed with Stability AI's position that training generative AI models on copyrighted works constitutes 'fair use.' Wrote: 'Companies worth billions of dollars are training generative AI models on creators' works without permission... this is not acceptable.'