Rock Ventures

Rock Ventures LLC

Company type	Private
Founder	Dan Gilbert
Headquarters	Detroit, Michigan , United States
Key people	Dan Gilbert (Chairman) Matthew Cullen (President and COO)
Revenue	$6.7 billion (2019)[1]
Owner	Dan Gilbert
Number of employees	Over 30,000 (2019)[1]
Subsidiaries	Amrock, Jack Entertainment
Website	www.rockventures.com

Rock Ventures LLC is the holding company for businessman Dan Gilbert's portfolio of companies, investments, and real estate. It is based in Detroit, Michigan and is also engaged in community development in both Detroit and Cleveland, Ohio.^[2] Its over 110 affiliated companies include the Cleveland Cavaliers, Hollywood Casino at Greektown, and Rocket Mortgage.