Thomas Dohmke was CEO of GitHub from 2021 to 2025, guiding the company through the rise of GitHub Copilot and related AI developer tools. In August 2025 he announced he would step down to become a startup founder again, staying through year-end to help transition GitHub further into Microsoft's CoreAI organization.123
At a glance
- Current role
- None confirmed in the sources
- Company
- GitHub
- Fields
- Developer tools, Language models
- Sources cited
- 3
- Profile reviewed
Accomplishments
GitHub CEO
Dohmke became GitHub CEO in November 2021 after Nat Friedman stepped down. Under his leadership GitHub Copilot became a widely adopted AI coding product. He previously helped run Microsoft's acquisition of GitHub alongside Friedman.12
On August 11, 2025 he posted that he was leaving to found again; Microsoft did not name a successor CEO and aligned GitHub leadership more tightly with CoreAI.13
Timeline
Documented roles
The sources do not confirm a current role; these are the roles they document.
Where they work
- GitHub 8 people in the wiki
Related people
- Den DelimarskyAlso at GitHub
- Hamel HusainAlso at GitHub
- Jared PalmerAlso at GitHub
- Vladimir FedorovAlso at GitHub
- Mario RodriguezAlso at GitHub
- Arvind NeelakantanLanguage models · Developer tools
- Zhou JingrenLanguage models · Developer tools
- David BauDeveloper tools · Language models
- Raymond LiLanguage models · Developer tools
- Johnny HoLanguage models · Developer tools
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References
3 sources · profile reviewed Oct 23, 2026 · data updated Oct 23, 2026