[1] Cyril Leeder was one of the principals, along with Terrace Investments' Bruce Firestone and Randy Sexton in the 'Bring Back the Senators' campaign in 1989 and 1990, which culminated in the NHL granting a franchise to the Terrace Investments group and the return of the Ottawa Senators to the NHL.
[1] Leeder remained with the organization after Firestone left in a change of ownership, and after Sexton was fired from the general manager's job.
Leeder remained with the organization in charge of the Palladium arena, now known as the Canadian Tire Centre.
Leeder is credited with being the founder of the Bell Capital Cup, an annual ice hockey tournament held in Ottawa.
[2] On January 25, 2017 Leeder was fired from his position as President and CEO of the Senators by owner Eugene Melnyk and was replaced by former MLSE executive Tom Anselmi.