Justin Sun is a Chinese-born cryptocurrency entrepreneur and business executive. He is the founder of TRON, a cryptocurrency with an associated blockchain DAO ecosystem and USDD, a stablecoin issued by TRON DAO Reserve. Sun is also the owner of Rainberry, which developed the BitTorrent protocol and under Sun's leadership developed the BTT cryptocurrency token. Sun also owns the crypto exchange Poloniex, and is affiliated with the crypto exchange HTX. Sun served as Permanent Representative of Grenada to the World Trade Organization (WTO) in Geneva from 2021 to 2023.