Justin Sun

Justin Sun (Chinese: 孙宇晨; pinyin: Sūn Yǔchén; born July 30, 1990) is a Chinese-born businessman. He is the founder of Tron, the developer of Tronix (TRX) cryptocurrency and its blockchain, and a stablecoin named USDD. Sun owns Rainberry (formerly BitTorrent Inc.), the developer of BitTorrent protocol, and two cryptocurrency exchanges, Poloniex and HTX (formerly Huobi). He is described as Trump family's "biggest crypto backer", heavily investing in the Trump family-associated World Liberty Financial, though he later fell out with the Trump family. From 2021 to 2023, Sun was the permanent representative of Grenada to the World Trade Organization. In 2026, Sun reached a settlement with the Securities and Exchange Commission (SEC) in connection with a fraud investigation.

As of April 2026, Forbes ranks Sun as the 411th-richest person in the world, estimating his net worth at $8.5 billion. His net worth is largely held in cryptocurrency.