Nat Friedman
Nat Friedman is a technology founder and executive whose career spans developer tools and AI leadership. He grew up in Charlottesville, went to MIT, cofounded Ximian and Xamarin, and led GitHub from 2018 to 2021. At GitHub, he announced Copilot; later, he helped launch the Vesuvius Challenge, where machine learning helped read Herculaneum papyri. An AI compute cluster built for his and Daniel Gross's venture portfolio grew into Andromeda's network of clusters. In 2025, Meta named him to partner with Alexandr Wang on AI products and applied research.
Timeline
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By 2003
From MIT to open source
Friedman grew up in Charlottesville and went to MIT. He had been online since 1991 and called the internet his hometown. By June 2003, he was Ximian's co-founder and vice president of product development, working on Mono and Red Carpet for Linux.
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2016
Taking Xamarin to Microsoft
When Microsoft acquired Xamarin in 2016, Friedman was the company's CEO and a co-founder with Miguel de Icaza.
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2018–2021
Leading GitHub through change
Friedman became GitHub CEO in October 2018 after Microsoft's acquisition closed. In November 2021, after three years in the role, he named Thomas Dohmke as his successor.
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June 2021
An AI pair programmer
In June 2021, Friedman announced the technical preview of GitHub Copilot, an AI pair programmer. The tool drew context from code in progress and suggested whole lines or functions.
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March 2023
Reading scrolls with machine learning
In March 2023, he partnered with Brent Seales and Daniel Gross to launch the Vesuvius Challenge. AI algorithms trained on scans of charred Herculaneum scrolls revealed the first complete passages.
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Since 2023
Compute for an AI portfolio
Andromeda has grown from one multi-thousand-GPU cluster built for Friedman and Daniel Gross's venture portfolio into dozens of clusters serving AI workloads.
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June 2025
Products and applied research
Meta put its AI teams under Meta Superintelligence Labs and named Friedman to partner with Alexandr Wang, overseeing AI products and applied research.
Sources and credits
Photo: David Sifry, via Wikimedia Commons. License: CC BY 2.0. Source: commons.wikimedia.org. Cropped to a square and resized. Ask us to remove or replace this photo.
- Nat Friedman
- Interview with Ximian’s Nat Friedman
- Mailpost:earlystory
- Xamarin CEO Nat Friedman on getting acquired by Microsoft
- Pull request successfully merged. Starting build…
- Thank you, GitHub
- Introducing GitHub Copilot: your AI pair programmer
- Students Decipher 2,000-Year-Old Herculaneum Scrolls
- A view from billions of GPU-Hours
- Meta restructures its AI unit under ‘Superintelligence Labs’