2024

    55th Sally Letson Symposium
    September 19 - 21, 2024
    The Westin Ottawa
    Ottawa, Ontario

2025

    2025 COS Annual Meeting and Exhibition
    June 19 - 22, 2025
    Vancouver Convention Centre
    Vancouver, British Columbia

    56th Sally Letson Symposium
    September 11-13, 2025
    The Westin Ottawa
    Ottawa, Ontario

2026

    2026 COS Annual Meeting and Exhibition
    June 18-21, 2026
    Palais des congrès de Montréal
    Montréal, Québec

    57th Sally Letson Symposium
    September 24-26, 2026
    The Westin Ottawa
    Ottawa, Ontario

2027

    2027 COS Annual Meeting and Exhibition
    June 24-27, 2027
    Shaw Centre
    Ottawa, Ontario