Dan Gilbert is founder and chairman of Quicken Loans Inc., the nation’s second largest mortgage lender. He is also founder and chairman of Rock Ventures LLC, the umbrella entity for his portfolio of business and real estate investments, and majority owner of the NBA Cleveland Cavaliers.rnrnAdditionally, Gilbert is co-founder of Bedrock Detroit, a full-service real estate firm specializing in purchasing, leasing, financing, developing and managing commercial space in downtown Detroit. He has invested more than $2.2 billion to purchase and renovate more than 95 commercial properties accounting for more than 15 million square feet in the city’s urban core. Gilbert also founded JACK Entertainment, a developer and owner of urban casinos in downtown Cleveland, Cincinnati and Baltimore.rnrnGilbert is a founder and principal of Detroit Venture Partners (DVP), a venture capital firm that funds startup and early-stage technology companies in Detroit. He is also a founding partner of Detroit-based private equity group Rockbridge Growth Equity LLC, which invests in growing businesses in the financial services, internet technology, consumer-direct marketing and sports and entertainment industries.