Thomas Dohmke, the Chief Executive Officer of Microsoft-owned GitHub, has announced he will step down after nearly four years at the helm of the world’s largest software development platform. In a post on social media platform X, Dohmke revealed his plans to return to his entrepreneurial roots and become a startup founder once again.
Farewell to ‘Hubbers’ and a Look Back
Dohmke, affectionately referring to GitHub employees as “Hubbers,” called his journey at the company “the ride of a lifetime.” Over a decade ago, following the sale of his developer tools startup to Microsoft, he relocated from Germany to the United States. Since then, he has worked closely with Microsoft teams, open-source contributors, enterprise partners, and millions of developers worldwide.
Under his leadership, GitHub Copilot, the AI-powered coding assistant, transformed from a basic autocompletion tool into a robust, intelligent AI coding partner with over 20 million users. He described Copilot’s rise as “the biggest leap in software development since the personal computer,” with features like real-time coding agents and partnerships with leading artificial intelligence companies.
Major Achievements During Tenure
â— Grew GitHub’s developer community to over 150 million users and hosted more than one billion repositories and forks.
â— Expanded GitHub Actions into a leading continuous integration (CI/CD) solution, now processing three billion minutes of workflows monthly—a 64% year-over-year growth.
â— Advanced GitHub Advanced Security to leverage AI for vulnerability management, significantly reducing remediation times.
â— Strengthened GitHub’s global footprint as a remote-first organization, earning key security certifications.
Dohmke will remain CEO until the end of 2025 to ensure a smooth transition. While GitHub continues to evolve as the go-to platform for open-source development, DevOps automation, and AI-powered software engineering, Dohmke’s departure marks the start of a new chapter in both his career and the company’s innovation journey.





