The Chamber Executives of Ontario(CEO) is the professional development association for the senior management staff of Chambers of Commerce and Boards of Trade in Ontario, Canada. 

CEO also honours association management excellence, awarding the James G. Carnegie Memorial Award to an exemplary chamber manager who has taken the time to make the chamber network stronger by mentoring less experienced colleagues.

The Carnegie Award is presented at CEO's Community Leadership Luncheon, which is held in conjunction with the Annual General Meeting and Convention of the Ontario Chamber of Commerce in May each year. 

The primary objective of CEO is to make good Chamber of Commerce and Board of Trade managers even better! CEO holds 2 professional development conferences per year, the Annual General Meeting and Fall Conference and the Mid Year Conference in February. Conferences focus on such topics as office administration and technology, contract management, recruiting and managing volunteers, governance and board support, non-dues revenue and fundraising, policy development, government relations and media relations.