# Robert Brennan

> Robert Brennan is co-founder and CEO of All Hands AI, the company behind OpenHands, an MIT-licensed open source platform for AI coding agents that started life in 2024 as an OpenDevin fork built in 24 hours after Cognition's Devin demo. A former Google search engineer who patented an answer-extraction algorithm shipped inside Google Search in 2013, Brennan later founded DataFire and led open source at Fairwinds before helping launch OpenHands with Xingyao Wang and Graham Neubig. The company has raised roughly $23.8M total across a $5M Menlo-led seed and an $18.8M Series A led by Madrona in November 2025.

- **Role:** Co-Founder and CEO at All Hands AI (OpenHands)
- **Organizations:** All Hands AI / OpenHands, Fairwinds (former), DataFire (former), LucyBot (former), Google (former)
- **Nationality:** American
- **Education:** Computer Science, Mathematics, and Linguistics, Columbia University (Columbia College and Columbia Engineering)
- **Known for:** Co-founded and leads OpenHands, an open source AI coding agent with 30,000+ GitHub stars and 150+ contributors, Raised roughly $23.8M in total funding across seed and Series A, Named on US Patent US9940367B1 for open-domain answer extraction, shipped inside Google Search in 2013

## Career timeline

- **~2011-2014** — Senior software engineer at Google, working on NLP and document summarization; his open-domain answer-extraction algorithm shipped in Google Search in August 2013 and became US Patent US9940367B1
- **2015+** — Co-founded DataFire, an open source platform for building APIs and integrations, and LucyBot, an automated API documentation tool
- **2019-2023** — Director of open source software / VP Product Development at Fairwinds, building the Insights Kubernetes auditing platform
- **2024-03** — Co-founded OpenDevin as a 24-hour open source response to Cognition's Devin demo, with Xingyao Wang and Graham Neubig
- **2024-09** — All Hands AI announced $5M seed round led by Menlo Ventures; project renamed to OpenHands
- **2025-11** — Closed $18.8M Series A led by Madrona, with Menlo, Pillar, Obvious Ventures, Fujitsu Ventures, and Alumni Ventures participating

## Achievements

- Co-founded and leads OpenHands, an open source AI coding agent with 30,000+ GitHub stars and 150+ contributors
- Raised roughly $23.8M in total funding across seed and Series A
- Named on US Patent US9940367B1 for open-domain answer extraction, shipped inside Google Search in 2013
- Grew All Hands AI to ~36 employees within 18 months of founding
- Shipped OpenHands integrations into Zed, Toad, and other IDEs via the ACP protocol

## Latest updates

- **2025-11** — Closed $18.8M Series A led by Madrona Venture Group
- **2025-12** — Announced OpenHands adopting the ACP protocol with native integrations in Zed and Toad IDEs
- **2026** — Speaking at QCon AI New York 2025 and hosting sessions on massive automated refactoring with OpenHands agents

## Links

- Website: https://rbren.io/
- LinkedIn: https://www.linkedin.com/in/robert-a-brennan
- Twitter/X: https://x.com/rbren_dev
- GitHub: https://github.com/rbren

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Profile page: https://yespress.io/robert-brennan
Published by YesPress — https://yespress.io
Last updated: 2026-07-08