See where YC founders go after their startup is acquired or shut down

Last updated: July 14, 2026.

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Sam Altman

OpenAI

Still running OpenAI as CEO.

Emmett Shear

OpenAI

former

Steered OpenAI for one extraordinary weekend in 2023.

Brian Fioca

OpenAI

Applied evaluations

Gabor Cselle

OpenAI

former

Worked on strategy, then moved to Google Workspace GenAI.

Elfred Pagan

OpenAI

Member of Technical Staff

Peter Lai

Anthropic

MTS on prototyping team

Brian Krausz

Anthropic

Product engineer building Claude APIs/SDKs & platform

Joe Gershenson

OpenAI

Moved from startup operations into OpenAI in 2026.

Eric Zhang

OpenAI

Member of Technical Staff

Sridatta Thatipamala

OpenAI

MTS on search evals, RAG & agentic AI

Tom Blomfield

Anthropic

Working on Anthropic's compute team with Tom Brown.

Sean Grove

OpenAI

former

Worked on post-training and alignment, then founded Linzumi.

Christopher Berner

OpenAI

Distinguished Engineer leading robotics & next-gen consumer hardware

Michael Petrov

OpenAI

Led technical work on the GPT-3 API and Applied AI.

Tom Brown

Anthropic

Co-founder, Chief Compute Officer.

Igor Kofman

Anthropic

Claude Code TL / Member of Technical Staff

Alex Karpenko

OpenAI

Research Engineer; core contributor to o1 and GPT-4V

Alexei Karpenko

OpenAI

MTS on core products

Chris Lloyd

Anthropic

TUI rendering for Claude Code

Kevin Kelley

Anthropic

Member of Technical Staff

Showing 20 of 105 founders

Startups.RIP

Startups don't work for a range of reasons, including timing. Explore the database to find already validated ideas that are ready for another shot.