How the Shark Tank Billionaire Built His $5.1 Billion Empire
Mark Cuban, billionaire investor and Shark Tank star, turns 65 with a net worth of $5.1 billion. His entrepreneurial journey began at age 12 and led to the sale of Broadcast.com for $5.7 billion in 1999. Cuban also owns the Dallas Mavericks and co-founded Cost Plus Drugs to lower prescription costs. His success highlights innovation, risk-taking, and business savvy.