# Kevin Sun

![Kevin Sun](/resources/cognition/portraits/kevin-sun.webp)

![Kevin Sun 2](/resources/cognition/portraits/kevin-sun.webp)
![Kevin Sun 3](/resources/cognition/portraits/kevin-sun.webp)

Software engineer at Cognition (Devin); Legendary Grandmaster competitive programmer ksun48; 2019 ICPC World Finals runner-up with MIT  
Cognition  
San Francisco, CA

## At Cognition

- Role: Software Engineer (Engineering)
- Joined: Not public
- How they joined: Directly
- Olympiads: IMO gold 2014–2016, bronze 2013; IOI silver 2016 (https://www.autumn.ai/resources/olympiads/kevin-sun-olp-e6bcc4ec8d6453c39a82)
- Overlapped before Cognition with other Cognition people at: MIT TWO (MIT) 2018; USA1 (Universal Cup) 2025; MIT NULL (MIT) 2019 (https://www.autumn.ai/resources/cognition/worked-together)

## Identity
- GitHub: https://github.com/ksun48
- Domain: cognition.ai

## Notes
- Software Engineer at Cognition in San Francisco, 'building collaborative AI teammates including the world's first AI engineer Devin' (ICPC NAPC trainer bio). (https://nac.icpc.global/napc-trainers/)
- Competes in the Universal Cup as team USA1 with Gennady Korotkevich (tourist) and Andrew He (ecnerwala, senior engineer at Cognition); won the 3rd Universal Cup Semifinals, the team's third premier UCup victory. (https://ucup.ac/news/3rd-ucup-semifinals/)
- Placed 2nd at the 2019 ICPC World Finals in Porto with MIT teammates Andrew He and Yinzhan Xu; MIT was first among North American teams. Team led by CSAIL PI Martin Rinard and captain Aleksandar Zlateski. (https://www.csail.mit.edu/news/mit-team-places-second-acms-global-programming-competition)
- Andrew He, his 2019 MIT ICPC teammate, is also at Cognition (described as a senior engineer at Cognition Labs). (https://ucup.ac/news/3rd-ucup-semifinals/)
- Serves as a 2026 ICPC North America Programming Camp (NAPC-O) trainer alongside Gennady Korotkevich, Nick Wu and Arup Guha. (https://nac.icpc.global/napc-trainers/)
- Won the Yandex Cup 2023 Algorithm Final, 1st at the 2024 Universal Cup Summer Summit and the 2025 Universal Cup finals. (https://nac.icpc.global/napc-trainers/)
- Also competes in World Puzzle Federation events, a puzzle-solving side interest beyond programming contests. (https://nac.icpc.global/napc-trainers/)
- AtCoder lists Canada, birth year 1998, affiliation MIT. (https://atcoder.jp/users/ksun48)

## Education
- Massachusetts Institute of Technology

## Sources
- https://api.github.com/users/ksun48
- https://nac.icpc.global/napc-trainers/
- https://ucup.ac/news/3rd-ucup-semifinals/
- https://www.csail.mit.edu/news/mit-team-places-second-acms-global-programming-competition
- https://cphof.org/profile/topcoder:ksun48
- https://atcoder.jp/users/ksun48
- https://codeforces.com/profile/ksun48
- https://www.twitch.tv/ksun48


Researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-04. Profile: https://www.autumn.ai/resources/cognition/people/kevin-sun · Everyone at Cognition: https://www.autumn.ai/resources/cognition/people