OpenAI
private
Founded in 2015, OpenAI is a privately held company based in California. Corporate records list 2 subsidiaries under the company. Key people associated with the company include Sam Altman (CEO) and Elon Musk (Founder). Reported headcount was 4500 as of 2026-03-21, per Wikidata. Facts on this page are drawn from public sources including SEC EDGAR, Wikidata, and the company's own disclosures, each linked below.
Company facts
| Headquarters | San Francisco, California |
|---|---|
| Founded | 2015 |
| Type | private |
| Subsidiaries | OpenAI OpCo, OpenAI Group PBC |
| Employees | 4500 (as of 2026-03-21, Wikidata P1128 (as of 2026-03-21)) |
| Website | openai.com/ |
Key people
- Sam Altman — CEO
- Elon Musk — Founder
- Sam Altman — Founder
- Trevor Blackwell — Founder
- Greg Brockman — Founder
- John Schulman — Founder
- Vicki Cheung — Founder
- Pamela Vagata — Founder
- Ilya Sutskever — Founder
- Wojciech Zaremba — Founder
- Diederik P. Kingma — Founder
- Andrej Karpathy — Founder
Jobs at OpenAI
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Frequently asked questions
Where is OpenAI located?
OpenAI is based in San Francisco, California.
When was OpenAI founded?
OpenAI was founded in 2015.
Is OpenAI public or private?
OpenAI is classified as private.
Related companies
Sources
- Wikipedia (facts only; descriptions on this page are original)
- Wikidata Q21708200 (CC0)