# Where are YC founders now? OpenAI and Anthropic, mostly > Source: > Published: 2026-07-16 08:03:35+00:00 See where YC founders go after their startup is acquired or shut down Last updated: July 14, 2026. Swipe to explore the table 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.