15. Dan Gilbert
Company: Quicken Loans, Rock Ventures, Cleveland Cavaliers
Net Worth: $51.9 billion*
Though Cleveland Cavaliers fans know who Dan Gilbert is, as he is the owner of their favorite team, the billionaire Quicken Loans founder isn’t one for media appearances. Gilbert is worth $51.9 billion, thanks to founding the loan company, in addition to Rock Ventures.
Dan Gilbert @WKYC.Channel3 / Facebook.com
Today, Quicken Loans is known as Rocket Mortgage, going through a revamp in recent years. Gilbert’s net worth has skyrocketed in the past eighteen months, going from $6.5 to $51.9 billion. Gilbert is now the second-richest team owner in the entire sports industry, and he is also the thirty-sixth wealthiest person in the world.