# Sangrak Choi

> Sangrak Choi is the South Korean founder and CEO of OP.GG, a gaming-data platform that grew from a two-person hobby project on a homemade server into a widely used suite of match-history, ranking, meta-analysis, community, mobile, and desktop products. A programmer since childhood, Choi combines engineering, product design, and company-building, and continues to publish software and developer tools under the handle kargnas.

- **Role:** Founder and CEO at OP.GG
- **Organizations:** OP.GG, OGN
- **Nationality:** South Korean
- **Education:** Keimyung University
- **Known for:** Co-founded OP.GG and built and designed its original League of Legends statistics service., Designed early data infrastructure described on LinkedIn as handling thousands of inserts per second and tables containing billions of rows., Expanded OP.GG from match-history search into mobile, desktop, community, esports, and media products.

## Career timeline

- **2004** — Began shipping PHP-based side projects and gaming community sites as a child.
- **2008-2010** — Built and operated University Baram, a Nexus TK fan community with avatars and mini-maps.
- **2011-2012** — Operated a South Korea-focused Minecraft server with 20,000 registered members.
- **2012** — Started OP.GG as a hobby project with co-founder Cheonwoo Park.
- **2013** — Launched the OP.GG beta after building the service on a home server.
- **2015** — OP.GG was incorporated; Choi recognized the project's potential as a company.
- **2016** — Left Keimyung University during his third year to focus on OP.GG.
- **2018** — Moved into the CTO role during a leadership reorganization, later returning as CEO.
- **2020** — OP.GG launched its desktop product and was selected as a K-Unicorn startup.
- **2022** — OP.GG acquired OGN and won iF and Red Dot design awards.
- **2024** — Spoke at Morocco Gaming Expo about community feedback and esports ecosystems.
- **2025** — Announced Adil Virani as OP.GG chief strategy officer to deepen engagement with the US gaming community.

## Achievements

- Co-founded OP.GG and built and designed its original League of Legends statistics service.
- Designed early data infrastructure described on LinkedIn as handling thousands of inserts per second and tables containing billions of rows.
- Expanded OP.GG from match-history search into mobile, desktop, community, esports, and media products.
- Led OP.GG as it acquired the esports broadcaster OGN in 2022.
- Built and trained company leaders while personally conducting thousands of interviews, according to his personal site.
- Continues to publish open-source developer tools and software projects under the handle kargnas.

## Latest updates

- **2025-01** — Announced Adil Virani as OP.GG chief strategy officer, framing the hire as part of a deeper push into the US gaming community.
- **2024-06** — Spoke at Morocco Gaming Expo on esports ecosystem development and the role of community feedback in product direction.
- **2024-02** — OP.GG launched TalkG, a premium subscription, and a Palworld map service as part of its broader product portfolio.
- **2023-08** — OP.GG received a Red Dot award for corporate identity.

## Links

- Website: https://kargn.as/
- LinkedIn: https://www.linkedin.com/in/kargnas
- Twitter/X: https://x.com/kargnas
- GitHub: https://github.com/kargnas
- YouTube: https://www.youtube.com/@kargnas
- Instagram: https://www.instagram.com/kargnas

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Profile page: https://yespress.io/sangrak-choi
Published by YesPress — https://yespress.io
Last updated: 2026-08-22