Claude Johnson is a historian and founder of the Black Fives Foundation. He has a BS in civil engineering and economics from Carnegie Mellon and an MS in mechanical engineering from Stanford. During a 20-year career in corporate America, Johnson held management and executive positions at IBM, American Express, NBA Properties, Nike, Phat Farm, and Benetton Sportsystem. He left to become a stay-at-home dad to his three sons, two of whom are now Division I college football players (the third is in high school). He lives in Greenwich, Connecticut.