Dan Gilbert is an American businessman best known as the founder and chairman of Quicken Loans, which rebranded as Rocket Mortgage, a leading U.S. home lender. He is also the majority owner of the Cleveland Cavaliers, guiding the team to multiple NBA Finals appearances and a championship in 2016. Gilbert has extensive investments in real estate and urban development, particularly in Detroit, and is active in philanthropic initiatives focused on education and community revitalization.