Conference Chair: Chris Anderson, Lindsay Anderson, Matt Davison
2006 (48th congrès annuel): Montreal
Conference Chair: Jean-Francois Cordeau
2005 (47th congrès annuel): Halifax
Conference Chair: John Blake
2004 (46th congrès annuel): Banff
The Meeting was joint with INFORMS International.
Conference Chair: Erhan Erkut
2003 (45th congrès annuel): Vancouver
Conference Chair: Marty Puterman
2002 (44th congrès annuel): Toronto
Conference Chair: David Martell
2001 (43rd congrès annuel): Quebec City
Conference Chair: Bernard Lamond
2000 (42nd congrès annuel): Edmonton
Conference Chair: E. Erkut
1999 (41st congrès annuel): Windsor
Conference Chair: R.J. Caron, D. Stanford
1998 (40th congrès annuel): Montreal
The Meeting was joint with INFORMS.
Conference Chair: P. Mireault
1997 (39th congrès annuel): Ottawa
Conference Chair: S. Rawar
1996 (38th congrès annuel): Vancouver
The meeting was joint with IFORS.
Conference Chair: D. Parker
1995 (37th congrès annuel): Calgary
Conference Chair: C. Spence
1994 (36th congrès annuel): Montreal
Conference Chair: S. Kahkeshan
1993 (35th congrès annuel): Halifax
Conference Chair: P. Cyrus
1992 (34th congrès annuel): Toronto
Conference Chair: T. Szandtner
1991 (33rd congrès annuel): Quebec
Conference Chair: W. Price
1990 (32nd congrès annuel): Ottawa
Conference Chair: J.G. Williams
1989 (31st congrès annuel): Vancouver
Conference Chair: D. Atkins
1988 (30th congrès annuel): Montreal
Conference Chair: J. Fearnley
1987 (29th congrès annuel): Calgary
Conference Chair: M.J. Ricketts
1986 (28th congrès annuel): Toronto
Conference Chair: D. Hipgrave
1985 (27th congrès annuel): Halifax
Conference Chair: E.A. Gunn
1984 (26th congrès annuel): Ottawa
Conference Chair: D.J. Lamb
1983 (25th congrès annuel): Winnipeg
Conference Chair: B.A. Warrack
1982 (24th congrès annuel): Montreal
Conference Chair: J. Mosevich
1981 (23rd congrès annuel): Toronto
Conference Chair: M. Lister
1980 (22nd congrès annuel): Quebec
Conference Chair: G. d'Avignon
1979 (21st congrès annuel): Montebello
Conference Chair: C. Swoveland
1978 (20th congrès annuel): Vancouver
Conference Chair: J.E. Roberts
1977 (19th congrès annuel): Montreal
Conference Chair: P. Belshaw
1976 (18th congrès annuel): Toronto
Conference Chair: .
1975 (17th congrès annuel): Waterloo
Conference Chair: J. Moore
1974 (16th congrès annuel): Ottawa
Conference Chair: W.L. Price
1973 (15th congrès annuel): Montreal
Conference Chair: R. Chard
1972 (14th congrès annuel): Toronto
Conference Chair: P.E. Sandor
1971 (13th congrès annuel): Ottawa
Conference Chair: D. Deziel
1970 (12th congrès annuel): Vancouver
Conference Chair: J. Swirles, J.E. Roberts
1969 (11th congrès annuel): Montreal
Conference Chair: D.M. Homa
1968 (10th congrès annuel): Toronto
Conference Chair: J.A. Sarjeant
1967 (9th congrès annuel): Ottawa
Conference Chair: R.L. Baglow
1966 (8th congrès annuel): Montreal
Conference Chair: J. Gratwick
1965 (7th congrès annuel): Toronto
Conference Chair: E.M. Chop
1964 (6th congrès annuel): Montreal
The Meeting was joint with ORSA.
Conference Chair: P.J. Sandiford, J.P. Jeannoit
1963 (5th congrès annuel): Ottawa
Conference Chair: J.F. Ruddell
1962 (4th congrès annuel): Toronto
The meeting was joint with IFORS.
Conference Chair: G. Norton
1961 (3rd congrès annuel): Ottawa
Conference Chair: D.W. McLimont
1960 (2nd congrès annuel): Montreal
Conference Chair: F.W. King
1959 (1st congrès annuel): Toronto
Conference Chair: A.E. Paul
1958 (0blank_suffix congrès annuel): Montreal
The 1958 Meeting was the first meeting of representatives from Toronto, Montreal, and Ottawa to begin discussions on the formation of the National Society.