Rock Ventures serves and connects Quicken Loans Founder and Cleveland Cavaliers Chairman Dan Gilbert’s portfolio of more than ... 100 companies. The Rock 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. Whether it is investing capital to create more jobs, bringing new life to a building, or activating a public space, our philosophy is simple, if we can do something that will affect positive change in these communities that matter so much to us, then we will do it. read more