James Sun
Product professional at OpenAI, previously a Revlo co-founder and Paper CEO.
Contents12 sections
Key facts
Education
He attended Middlebury College and left after his freshman year.[1]
2016Revlo
YC profiled Revlo, which he co-founded with Adam Hueniken and Julie Topp to help Twitch streamers engage fans and monetize through virtual currency and rewards.[1]
2017Pursuit
In his retrospective, Sun said Revlo closed because its business model was unsustainable; the team then built esports analytics platform Pursuit.[2]
December 2018Joining Twitch
He announced that the Pursuit team was joining Twitch; the product would not transfer and would close on December 17.[2]
December 2019Forbes List
On December 3, he announced his selection for Forbes’ 30 Under 30 Games list.[3]
The Forbes 2020 Games profile identified him as a Twitch Senior Product Manager and Thiel Fellow, highlighting his work launching Channel Points and Polls.[4]
July 2023Paper Acquisition
thirdweb acquired Paper’s crypto-wallet and NFT-checkout products. Its announcement named Paper CEO Sun as thirdweb’s incoming VP of Product.[5]
June 2025Playmatic Testing Agent
He introduced Playmatic’s autonomous testing agent, describing how it connects to GitHub to test user flows and find software defects.[6]
July 2025Meka
He announced open-source browser agent Meka, intended to reduce repetitive work such as form filling, research and software testing.[7]
January 2026OpenAI
October 15, 2026Chrome Extension
He described a Chrome-extension update enabling browser control from ChatGPT without the desktop app, with Chat and Work modes available in the sidebar.[10]
Related Organizations, Websites, and Public Accounts
Twitch: Official link: https://www.twitch.tv/ (opens in a new window)[4]
thirdweb: Official link: https://thirdweb.com/ (opens in a new window)[5]
OpenAI: Official link: https://openai.com/ (opens in a new window)[11]
X: Public account: https://x.com/JamesZmSun (opens in a new window)[9]
LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry: Public profile: https://www.linkedin.com/in/jameszsun/ (opens in a new window)[11]
Sources
- Meet Revlo (opens in a new window)
- The Pursuit Team Joins Twitch (opens in a new window)
- Honored to be named on the Forbes 30 under 30 Gaming List! (opens in a new window)
- James Sun (opens in a new window)
- thirdweb acquires Paper (opens in a new window)
- Playmatic is now fully autonomous! (opens in a new window)
- We are launching the world's best computer-use agent for browser tasks, Meka. (opens in a new window)
- Week 1 at openai has been incredible. (opens in a new window)
- James Sun (@JamesZmSun) / X (opens in a new window)
- Big upgrade to the Chrome extension today! (opens in a new window)
- James Sun | LinkedIn (opens in a new window)