William Rockwell "Rocky" Wirtz (born October 5, 1952) is the principal owner and chairman of the NHL's Chicago Blackhawks. He is also president of the Blackhawks' parent company, Wirtz Corporation, a diversified conglomerate headquartered in Chicago.
Rocky oversees Wirtz Corporation’s commercial and residential real estate companies, wine distributor Wirtz Beverage Group, an insurance company and banks in Illinois and Florida. Wirtz is also the co-chairman of the Executive Committee of the United Center along with Chicago Bulls owner Jerry Reinsdorf.
Wirtz managed the Judge & Dolph, Ltd. liquor distributorship until October 2007. He assumed control of the franchise shortly after the death of his father, William W. Wirtz; and his brother, Peter Wirtz, decided to maintain Bismarck Enterprises in lieu of running the team.