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Life after the startup
See where YC founders go after their startup is acquired or shut down
Explore 1,841 startup post-mortemsWhere are YC founders now?
Who they are & what they built
Inclusive historical scope: current and former lab roles, acquisitions, team hires, one interim CEO, and one OpenAI-controlled affiliate. Public evidence checked through July 14, 2026.
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 Abe Fetterman | OpenAI current | Member of Technical Staff | |
|---|---|---|---|
 Abhijeet Dwivedi | OpenAI current | Strategic deployment and special projects | |
Adam Michalski | OpenAI current | Go-to-market | |
 Alex Karpenko | OpenAI current | Research Engineer; core contributor to o1 and GPT-4V | |
 Alexei Karpenko | OpenAI current | MTS on core products | |
 Amey Chaugule | OpenAI current | Member of Technical Staff | |
 Andrew Ambrosino | OpenAI current | Leads product/engineering for Codex desktop app | |
 Andrew Chen | OpenAI current | Leads technical work across Search, Answers, and Capabilities. | |
 Andrew Duberstein | OpenAI current | Data scientist | |
 Andrew Gibiansky | Anthropic current | Member of Technical Staff, Speech (audio/speech models) | |
 Anish Agrawal | OpenAI current | io and agents (Member of Technical Staff) | |
Anthony Humay | Anthropic current | Joined in 2026 after leaving Raycaster. | |
 Arun Vijayvergiya | OpenAI current | Member of technical staff | |
 Axel Delafosse | OpenAI current | Joined the Codex team in July 2026. | |
 Ben Firshman | Anthropic current | MTS on the Labs team | |
 Benjamin Bolte | OpenAI current | MTS on midtraining & multimodal RL | |
 Bill Chen | OpenAI current | OpenAI startups/applied AI team on coding agents | |
 Bobby Meelu | OpenAI current | MTS on Codex | |
 Brad Murray | OpenAI current | MTS on ChatGPT Engineering | |
 Brian Brunner | OpenAI current | Member of Technical Staff at OpenAI |
Showing 20 of 105 founders
Roles at the lab
What they do once they’re inside
OpenAI70Anthropic35
Each founder’s current or last-known role at the lab, normalized into functions. “Member of Technical Staff” includes engineering and the labs’ broad individual-contributor titles.
- Member of Technical Staff63· 60%
- Other / undisclosed11· 10%
- Research & Safety10· 10%
- Go-to-Market & Partnerships8· 8%
- Leadership7· 7%
- Product & Design4· 4%
- Data & Analytics2· 2%
YC batches
Which batches fed the labs
Counting each YC chapter by batch year shows when these founders came through. A founder with two YC startups appears in both years.
- 20051
- 20060
- 20071
- 20081
- 20092
- 20103
- 20114
- 201211
- 20135
- 20142
- 20153
- 20165
- 20177
- 20188
- 20198
- 202013
- 20218
- 20227
- 20236
- 202414
- 20251
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