Resigned over ChatGPT advertising plans. Wrote a New York Times op-ed warning that OpenAI would exploit users' intimate conversational data to serve targeted ads.

Said 'Neither OpenAI nor any other frontier lab is ready' for AGI. Noted OpenAI placed increasingly restrictive limits on what he could publish. The AGI Readiness team was disbanded after his departure.

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.

Fired after writing an internal board memo about cybersecurity vulnerabilities. Later published the influential 'Situational Awareness' essay arguing AGI is imminent and labs are unprepared.

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.'

Resigned to freely speak about the existential risks of AI. Warned of 10-20% probability of human extinction from AI. Said he regretted his life's work.

Leaked tens of thousands of internal Facebook documents to the SEC and Wall Street Journal, revealing that Meta knew its algorithms amplified hate speech and harmed teen mental health. Testified before Congress. The Civic Integrity team was dissolved after the 2020 election.

Forced out after co-authoring a paper on the harms of large language models ('On the Dangers of Stochastic Parrots'). Google objected to publication and demanded she retract or remove her name.