# Walden Yan

> Walden Yan is co-founder and chief product officer of Cognition, the company behind Devin. A self-taught programmer and 2020 International Olympiad in Informatics gold medalist, he has become a public voice on context engineering and practical architectures for AI coding agents.

- **Role:** Co-founder and Chief Product Officer at Cognition
- **Organizations:** Cognition, DeepReason, Cursor, MIT PRIMES
- **Nationality:** American
- **Education:** Computer Science and Economics studies, Harvard University
- **Known for:** Placed 19th at the 2020 International Olympiad in Informatics and won a gold medal., Co-authored “Token Pairing to Improve Neural Program Synthesis Models” in the MIT PRIMES program., Co-founded Cognition, maker of Devin.

## Career timeline

- **2020** — Co-authored research on neural program synthesis through MIT PRIMES and won an International Olympiad in Informatics gold medal.
- **2023** — Worked as an early engineer at Cursor and co-founded Cognition with Scott Wu and Steven Hao.
- **2024** — Cognition introduced Devin, its AI software engineer.
- **2025** — Published “Don’t Build Multi-Agents,” setting out principles of context engineering.
- **2026** — Published a follow-up on multi-agent patterns that Cognition found useful in practice.

## Achievements

- Placed 19th at the 2020 International Olympiad in Informatics and won a gold medal.
- Co-authored “Token Pairing to Improve Neural Program Synthesis Models” in the MIT PRIMES program.
- Co-founded Cognition, maker of Devin.
- Wrote Cognition essays on context engineering and multi-agent systems.

## Latest updates

- **2026-07** — Wrote Cognition’s announcement welcoming the TierZero team and its incident automation work.
- **2026-04** — Published “Multi-Agents: What’s Actually Working,” a follow-up to his 2025 context-engineering essay.

## Links

- LinkedIn: https://www.linkedin.com/in/waldenyan
- Twitter/X: https://x.com/walden_yan
- GitHub: https://github.com/walnutwaldo

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Profile page: https://yespress.io/walden-yan
Published by YesPress — https://yespress.io
Last updated: 2026-09-29