Clark, a six-time Olympian, was known as the most dominant snow sports competitor in the history of snow sports.
Clark was born in New York in 1939, and was the son of a ski guide.
Clark became a professional skier after high school, and went on to compete in a number of world championships.
In the 1980s, he moved to Seattle, where he was an assistant to coach and mentor Mike Schwalb.
In 1985, he became a partner in an indoor ski area, Snow Sport and Games.
During the 1990s, Clark was the manager of the Seattle Winter Olympics.
He retired in 1997 and became a television commentator.
He was also a frequent contributor to the CBC.
In 2016, Clark received the Lifetime Achievement Award from the Canadian Ski and Snowboard Association.
He is survived by his wife of 33 years, Mary, and two daughters, Anna and Anna Rose.