Left to join Anthropic to 'deepen my focus on AI alignment and to start a new chapter where I can return to hands-on technical work.' Departed less than 3 months after the Superalignment team was dissolved.

Superalignment researcher who departed in 2024 after the team's dissolution. In a sworn 2025 declaration supporting an amicus brief filed by twelve former OpenAI employees, he said he had 'realized the charter had been used as a smoke screen — something to attract and retain idealistic talent while providing no real check on OpenAI's growth and its pursuit of AGI.'

Departed after the Superalignment team was dissolved.

Departed after the Superalignment team was dissolved.

Departed after the Superalignment team was dissolved.

Departed after the Superalignment team was dissolved.

Departed after the Superalignment team was dissolved.

Said 'safety culture and processes have taken a backseat to shiny products' at OpenAI. Resigned the day after Sutskever. Joined Anthropic to continue alignment work.

Co-led the Superalignment team and was involved in the attempted board ouster of Sam Altman in Nov 2023. After the board crisis resolved in Altman's favor, Sutskever departed and founded Safe Superintelligence Inc. (SSI).

Left the Superalignment team. Said 'I really didn't want to end up working for the Titanic of AI.'

Left to found the Alignment Research Center (ARC) to focus on theoretical alignment research.

Departed with Dario Amodei to co-found Anthropic.

Left to co-found Anthropic. Became Chief Architect focused on safe scaling.

Left to co-found Anthropic to focus on AI interpretability and safety research.

Left over disagreements about scaling AI without adequate safety research. Co-founded Anthropic to pursue a safety-first approach to AI development.

Left to co-found Anthropic. Became Chief Science Officer focused on scaling laws and safety.

Left to co-found Anthropic.