 Ryman coached the Minnesota Golden Gophers men's hockey team in the 1955–56 season to a 16–12–1 record while John Mariucci coached the United States national men's ice hockey team at the 1956 Winter Olympics.Subsequently, Ryman served as the national team coach himself, from 1958–59.in 1960, Ryman was a referee at the 1960 Winter Olympics.