King was hired by the Calgary Flames in 1992 and coached the team for three seasons until 1995. He was an assistant coach with the Montreal Canadiens from 1997 to 1999 and then became the first coach of the expansion Columbus Blue Jackets ahead of their inaugural 2000–01 season.
King was employed by the Calgary Flames and coached them for three seasons. He served as an assistant coach with the Montreal Canadiens from 1997 to 1999, then became the first coach of the Columbus Blue Jackets during their inaugural season in 2000–01.