S tuart Hoegner is a Canadian lawyer who has become a billionaire through his role as a key executive and shareholder in the controversial but highly successful cryptocurrency ecosystem of Bitfinex and Tether. He has served as the general counsel for both companies, which are major players in the global crypto market. Bitfinex is a major cryptocurrency exchange, and Tether is the issuer of the world's largest and most widely used stablecoin, USDT.

As the general counsel, Hoegner has been a key figure in navigating the complex and often contentious legal and regulatory landscape of the cryptocurrency industry. His wealth is derived from his substantial ownership stake in these privately held and highly profitable companies. He is a key member of the small and secretive group of executives who control these major pillars of the global crypto financial system.