Businessman best known as the owner of the NHL's Chicago Blackhawks. He is also the President of the family-owned Wirtz Corporation and previously ran the liquor distribution company Judge & Dolph, Ltd.
He graduated from Northwestern University in 1975.
He took over the Blackhawks following his father's death in 2007. His change in management style was praised by fans and, in 2010, led to the team's first Stanley Cup victory since 1961.
He has children named Daniel, Kendall and Hillary. His grandfather, Arthur Wirtz, bought the Blackhawks in 1954.
He and Chicago Bulls owner Jerry Reinsdorf are joint owners of the United Center, home of both the Bulls and the Blackhawks.