Thomas Dohmke — SPARQNOW

At-a-Glance

Cofounder & CEO at Stealth startup (since 2025)
Former CEO of GitHub (November 2021 - end of 2024)
Co-founded HockeyApp (2011-2015), acquired by Microsoft in 2014
Board Member at Spice AI (since 2022)
Holds a PhD in Mechanical Engineering from the University of Glasgow
Holds a Dipl.Ing. in Computer Engineering from Technische Universität Berlin

Biography

Thomas Dohmke is a German software developer and business executive, currently serving as Cofounder & CEO of a stealth startup since 2025. He is widely recognized for his tenure as CEO of GitHub Inc., a position he held from November 2021 until the end of 2024, following the resignation of Nat Friedman. Prior to GitHub, Dohmke co-founded HockeyApp in March 2011, a company that was acquired by Microsoft in 2014.