Thomas Dohmke

Founder & CEO, Entire; Angel investor; former CEO, GitHub at entire

Reviewed Updated Jun 3, 2026

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Location Seattle, Washington
Check Size Undisclosed (small angel checks)
Last Verified Investment Tangled (Seed) — Mar 2, 2026
Social @ashtom LinkedIn
Stage Focus
seed series-a
Sector Focus
developer-tools ai infrastructure devops open-source

Background

Thomas Dohmke is the founder and CEO of Entire, an AI code governance startup that emerged from stealth in February 2026 with a $60M seed round at a $300M valuation 123. He was previously CEO of GitHub from November 2021 until August 2025, having joined the company in 2018 when his prior startup HockeyApp (acquired by Microsoft in 2014) led to his role on Microsoft’s developer tools team 12. During his tenure at GitHub he oversaw the launch and scaling of GitHub Copilot, the AI pair-programming product that became one of the highest-profile applications of large language models in software development 1. Outside of his operating roles, Dohmke has made a small set of angel investments concentrated in developer tooling and infrastructure 45.

Stated Thesis

Dohmke has not published a written angel investing thesis. His public commentary at Entire’s launch frames the problem he is now building against, which also aligns with the developer-infrastructure companies he has angel-backed: “We are living through an agent boom, and now massive volumes of code are being generated faster than any human could reasonably understand” 1. Self-reported sector emphasis from his public investor listings centers on Enterprise Infrastructure and Enterprise Applications, with explicit focus on “accelerating innovation in software development through generative AI technologies” 4.

Inferred Thesis

The independently verifiable angel portfolio is small — five companies tracked by third-party aggregators 45. With this sample size, qualitative description is more honest than percentages.

  • Stage: Verified checks span seed (Resolve AI, Tangled) and Series A (Doppler). No participation in growth or late-stage rounds has been disclosed.
  • Sector: Every verified investment is in developer tooling or developer-adjacent infrastructure: Resolve AI (AI for production incident response), Doppler (secrets management), and Tangled (code collaboration / open-source GitHub alternative) 4567.
  • Geography: Mixed — US (Resolve, Doppler) and Europe (Tangled, headquartered in Finland) 67.
  • Co-investor pattern (small sample): On Tangled, Dohmke appeared alongside byFounders (lead), Bain Capital Crypto, Antler, Avery Pennarun (Tailscale CEO), and Mårten Mickos 67.
  • Notable gap: Despite being one of the most recognizable figures in developer-tools leadership, the publicly traceable angel portfolio is much smaller than peer ex-CEOs of similar profile. The plausible reading is that Dohmke does most of his early-stage involvement informally or operationally rather than through priced angel checks.

This analysis is based on 3 independently verified investments plus aggregator counts of 5 total; the verification rate is therefore ~60% of claimed portfolio.

Portfolio

Company Year Stage Source
Resolve AI 2024-10-01 Seed ($35M, led by Greylock) 48910
Doppler 2022-04-26 Series A ($20M, led by CRV) 45111213
Tangled 2026-03-02 Seed (€3.8M) 67

Aggregators list two additional unnamed investments that could not be independently verified in primary sources and are therefore excluded 45.

In Their Own Words

“We are living through an agent boom, and now massive volumes of code are being generated faster than any human could reasonably understand.” — Thomas Dohmke, on launching Entire 1.

No additional first-person Dohmke quotes specifically about his angel investing philosophy were found in primary sources. The above quote is from the Entire press release covered by TechCrunch and is included because it captures his stated worldview on the developer-tools market he invests in.

What Founders Say

No independently sourced founder testimonials about working with Thomas Dohmke as an angel investor were found.

Connections

  • Founder & CEO, Entire — co-investors in Entire’s seed include Felicis (lead), Madrona, Microsoft’s M12, Basis Set, Harry Stebbings, Jerry Yang, and Olivier Pomel (Datadog CEO) 13.
  • Former CEO, GitHub (2021–2025) — succeeded Nat Friedman; reported into Microsoft’s developer division leadership 12.
  • Co-angel on Tangled alongside Avery Pennarun (Tailscale) and Mårten Mickos (former MySQL/HackerOne CEO) 67.

Sources

  1. TechCrunch, “Former GitHub CEO raises record $60M dev tool seed round at $300M valuation,” February 10, 2026. https://techcrunch.com/2026/02/10/former-github-ceo-raises-record-60m-dev-tool-seed-round-at-300m-valuation/↩↩↩↩↩↩↩

  2. GeekWire, “Former GitHub CEO launches new developer platform with huge $60M seed round,” February 2026. https://www.geekwire.com/2026/former-github-ceo-launches-new-developer-platform-with-huge-60m-seed-round/↩↩↩

  3. Redmond Channel Partner, “Ex-GitHub CEO Thomas Dohmke Unveils Entire, a $60M Startup Tackling AI Code Governance,” February 12, 2026. https://rcpmag.com/articles/2026/02/12/ex-github-ceo-thomas-dohmke-unveils-entire.aspx↩↩

  4. Tracxn, “Thomas Dohmke — Portfolio & Founded Companies,” accessed June 2026. https://tracxn.com/d/people/thomas-dohmke/__VGyt2_AuC0pTNvkMKSrCvWCCbr6RlNs18icuUCqKSSk↩↩↩↩↩↩↩

  5. Signal by NFX, “Thomas Dohmke — Investing Profile,” accessed June 2026. https://signal.nfx.com/investors/thomas-dohmke↩↩↩↩↩

  6. The Next Web, “Tangled raises €3.8M from byFounders and GitHub’s ex-CEO,” March 2026. https://thenextweb.com/news/europes-tangled-raises-e3-8m-from-byfounders-and-githubs-ex-ceo↩↩↩↩↩

  7. Finsmes, “Tangled Raises €3.8M in Seed Funding,” March 2026. https://www.finsmes.com/2026/03/tangled-raises-e3-8m-in-seed-funding.html↩↩↩↩↩

  8. ThoughtCred, “Resolve AI’s $1B Valuation: The Great, Good, and Concerning About Hitting Unicorn Status on $4M ARR,” 2026. https://thoughtcred.com/dailybrief/resolve-ais-1b-valuation-the-great-good-and-concerning-about-hitting-unicorn-status-on-4m-arr↩

  9. TechStartups, “Generative AI startup Resolve AI secures $35M in seed funding to become your go-to AI production engineer,” October 1, 2024. https://techstartups.com/2024/10/01/generative-ai-startup-resolve-ai-secures-35m-in-seed-funding-to-become-your-go-to-ai-production-engineer/↩

  10. U.S. News / Reuters, “Greylock-Backed Resolve AI Raises $35 Million in Seed Funding to Help Engineers,” October 1, 2024. https://www.usnews.com/news/technology/articles/2024-10-01/greylock-backed-resolve-ai-raises-35-million-in-seed-funding-to-help-engineers↩

  11. Doppler blog, “$20m Series A to build the first SecretOps Platform,” April 26, 2022. https://www.doppler.com/blog/series-a-announcement↩

  12. TechCrunch, “Doppler lands $20M to help companies manage their app secrets,” April 27, 2022. https://techcrunch.com/2022/04/27/doppler-lands-20m-to-help-companies-manage-their-app-secrets/↩

  13. TechStartups, “Doppler raises $20M led by CRV to help developers seamlessly manage and secure application secrets at scale,” April 27, 2022. https://techstartups.com/2022/04/27/doppler-raises-20-million-led-crv-help-developers-seamlessly-manage-secure-application-secrets-scale/↩