Career
He was drafted by the Saint Louis Blues in the 5th round (72nd overall) of the 1978 National Hockey League Amateur Draft. Willison played in the International Hockey League with the Portuguese Huron Flags (1978-1979 and 1980-1981), Milwaukee Admirals (1981-1984 and 1985-1986), and Muskegon Lumberjacks (1984-1985). And in the Central Hockey League with the Salt Lake Golden Eagles (1979-1981).