Billy Beane is a former professional baseball player and the longtime executive of the Oakland Athletics. He is best known for revolutionizing baseball through the use of data analytics and sabermetrics, a strategy detailed in the book and film Moneyball. As general manager of the A's starting in the late 1990s, Beane used statistical analysis to build competitive teams on a limited budget, challenging traditional scouting methods and influencing how modern sports teams evaluate talent.