OpenAI

Employees who left to start YC-backed companies
OpenAI Founder Genealogy Tree - YC Alumni Startups
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OpenAI Founders

Sam Altman
Sam Altman
Director, Marketing Strategy and Planning at Disney ABC Television Group
 Greg Brockman
Greg Brockman
President, Chairman, & Co-Founder

YC Companies Founded by OpenAI Alumni

5 YC-backed companies founded by former OpenAI employees

Direct - 5 companies

Living Carbon YC W20
livingcarbon.com
OpenAI → Living Carbon
Maddie Hall Maddie Hall (Special Projects)
Daedalus YC W20
daedalus.de
OpenAI → Daedalus
Jonas Schneider Jonas Schneider (Tech Lead)
SciFounders
scifounders.com
OpenAI → SciFounders
Matt Krisiloff Matt Krisiloff (Founding Team Member)
Stormy YC S25
stormy.ai
OpenAI → Stormy
Arseny Stefanov Arseny Stefanov (AGI Catalyst)
SafetyKit YC S23
safetykit.com
OpenAI → SafetyKit
Alex Rosenblatt Alex Rosenblatt (Language Model Adversarial Tester)

Frequently Asked Questions

Who founded OpenAI?

OpenAI was founded by Sam Altman and Greg Brockman.

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