Zac Prince is the managing director of Galaxy, CEO of RE Cost Seg, and previously founder and CEO of BlockFi. He funded his college tuition through online poker, and subsequently joined Admeld, where he headed the sales team and achieved significant revenue growth before the company was acquired by Google. He then established the U.S. branch of Berlin-based technology company Sociomantic, which was sold to Tesco in 2014. In his leisure time, he enjoys playing racket sports, listening to house music, and traveling around the world.