William Rockwell "Rocky" Wirtz (Born October 5, 1952) is the owner of the NHL's Chicago Blackhawks. Wirtz managed the Judge & Dolph, Ltd. liquor distributorship until October 2007. He assumed control of the franchise shortly after the death of his father, Bill Wirtz; and his brother, Peter Wirtz, decided to maintain Bismarck Enterprises in lieu of owning the team.