- Role
- Co-founder; leads Hyperliquid Labs
- Raised
- Redwood Shores, California
- School
- Palo Alto High; Harvard (maths BA, CS master's, 2017)
- Before
- Hudson River Trading; Chameleon Trading
- Based
- Singapore (reported)
Jeff Yan
Yan grew up in the Bay Area, the son of Chinese immigrants, and was raised mostly by his mother, an accountant. He was a competition kid. He qualified for the US mathematics olympiad training camp in his early teens, then taught himself physics and won a silver medal at the 2012 International Physics Olympiad in Estonia and gold in 2013 in Copenhagen, where he placed 24th in the world.
At Harvard he studied mathematics and computer science, graduating in 2017 with a bachelor's and a master's. He interned on Google's self-driving car project and at Tower Research, and was in Hudson River Trading's intern class before joining its US equities algorithms team. He stayed about eight months. In interviews he has described high-frequency trading as an excellent education in building systems where a millisecond or a rounding error costs real money.
His first company, the prediction market Deaux (2018), failed to find users. His second, Chameleon Trading (from late 2019), did not: it became a profitable crypto market maker run by a handful of people, with Yan reportedly working fourteen-hour days from Puerto Rico. That firm's team, capital and code became Hyperliquid after FTX collapsed in November 2022.
Three choices define his reputation. He refused venture capital, including a reported $100 million offer in January 2024. He kept the team at roughly a dozen people. And he gave users, not insiders or funds, the largest share of the token. Supporters see principle; sceptics note that the team's own 23.8% allocation became worth many billions of dollars on paper. Yan has never disclosed his personal holdings, and published net-worth figures are guesses.
"We use crypto, but that doesn't define us."Jeff Yan, quoted in Colossus, April 2026 (via Datawallet's summary)
He is also a lightning rod. He defended the March 2025 JELLY intervention as protecting users. After the October 2025 crash he publicly argued that some centralised exchanges under-report liquidations by a wide margin. In September 2026 at Korea Blockchain Week he called private-company markets a major opportunity, and in October 2026 he said options were coming to the platform. A September 2026 records request from the US House Oversight Committee, focused on a large short opened before a tariff announcement in October 2025, was addressed to Hyperliquid; it makes no finding against Yan or the company.
Biographical details here come mainly from the Colossus profile (April 2026) as summarised by Datawallet, plus Fortune and The Block. Yan is private, and some early-life details rest on a single profile.