Thomas Dohmke

Thomas Dohmke is a German software developer and business executive. He is best known as the CEO of GitHub Inc. in November 2021 after the resignation of Nat Friedman. He co-founded HockeyApp, which was acquired by Microsoft in 2014.

Early life and education

Dohmke was born in East Berlin and studied computer engineering at Technische Universität Berlin, earning a Diplom-Ingenieur degree. He later completed a PhD in mechanical engineering at the University of Glasgow.
In August 2025, he announced his leave from CEO of GitHub at the end of the year to start a new company.