Will Ahmed pitched WHOOP to well over a hundred investors before one said yes. He was 22, captain of Harvard's squash team, and convinced that his own chronic fatigue was a data problem nobody had bothered to solve. The company came within weeks of running out of cash more than once. Fourteen years later, WHOOP closed a round that values it at $10.1 billion, with Cristiano Ronaldo, LeBron James and the Qatar Investment Authority writing checks alongside the Mayo Clinic and Ab