He is the former head coach for St. Thomas and for the United States women's national ice hockey team.
Johnson served as the men's and women's soccer coach at Bethel University from 2004 to 2006.
[5] On June 7, 2021, Johnson was named head coach of St. Thomas women's ice hockey team.
[10] On April 16, 2021, Johnson was named interim head coach for the United States women's national ice hockey team at the 2021 IIHF Women's World Championship.
[11] On July 28, 2021, Johnson was named head coach for the United States women's ice hockey team at the 2022 Winter Olympics.