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GitHub CEO Thomas Dohmke Steps Down to Launch New Venture

by VARINDIA 2025-08-12

Dohmke, who moved from Germany to the US over a decade ago, praised the global developer community and called his tenure “the ride of a lifetime.”

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

● Grew GitHub’s developer community to over 150 million users and hosted more than one billion repositories and forks.

● 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.

● Advanced GitHub Advanced Security to leverage AI for vulnerability management, significantly reducing remediation times.

● 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.