Detroit-based Rock Ventures serves and connects Quicken Loans Founder and Cleveland Cavaliers Majority Owner Dan Gilbert's portfolio of more than 100 companies. The Rock Ventures Family of Companies'”‹ mission is to increase growth, innovation and prosperity in the cities in which its more than 30,000 team members live, work and play. Key initiatives include real estate development, community investments and economic development. Operational Coordination, Real Estate Development, Communications, Philanthropy, Government Relations, Technology