PersonFounderEngineer
Alexander Leishman
Alexander Leishman is the Founder, CEO, and CTO of River, a Bitcoin-only financial institution built to provide brokerage, custody, and mining services to individuals and institutions. With a background spanning aerospace engineering at the University of Maryland, computer science at Stanford, and security engineering at Airbnb, Leishman co-founded River in 2019 after stints at MaiCoin, Deloitte, and Polychain Capital. River has raised over $17.7 million in venture funding and became the first Bitcoin-only exchange to publicly release its financial statements in April 2025. Leishman also serves on the board of Brink, a Bitcoin research and development nonprofit.
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