Ellis played his entire career with the Maple Leafs, helping the franchise to its most recent Stanley Cup in 1967, tallying two goals and an assist in 12 postseason games that year.
The Lindsay, Ontario native was a key member of Team Canada's 1972 Summit Series against the USSR, registering three assists. After his playing career ended, Ellis spent many years working for the Hockey Hall of Fame as the director of public affairs and assistant to the president.
Ellis was open was about his mental health struggles, writing a book after retirement titled «Over The Boards: The Ron Ellis Story.» After releasing his book he would become a speaker on mental health issues.