What organization hosted the event that had Dave Debol as a US representative in 1977, 1978 and 1981?
Dave Debol:  Debol represented the United States at the Ice Hockey World Championships in 1977, 1978 and 1981. Ice Hockey World Championships: The Ice Hockey World Championships are an annual international men's ice hockey tournament organized by the International Ice Hockey Federation (IIHF).
International Ice Hockey Federation