A member of Canada’s national women’s hockey program from 1989-2008, Sunohara became the head coach of U of T's women's hockey program in 2011-12 after serving two years as the director of women’s hockey at The Hill Academy in Vaughan, Ont. She was previously an assistant coach with the Blues in 2004-05, as well as a camp coach with Hockey Canada’s under-18 and -19 women’s programs.