Past Presidents
Honouring the legacy of past ASHRAE Hamilton Chapter Presidents
The Legacy Continues
ASHRAE Hamilton is proud to honor its past presidents who have contributed to the growth and success of the chapter. These leaders have dedicated their time and energy to advancing the HVAC industry and promoting the ASHRAE mission. Their contributions have helped shape the chapter into what it is today. We are grateful for their service and commitment to the chapter and look forward to continuing their legacy.
Mitchell Rohrer, P.Eng.
Past President 2022 - 2024
Account Executive at Johnson Controls
Robyn Ellis, P.Eng., MBA, CFM
Past President 2020 - 2022
Municipal Facilities Management, committed to Decarbonization, experience as Acting Director, Capital Planning, supporter of lifelong learning, sustainable infrastructure & level 5 leadership
Francisco (Frank) Mesicek
Past President 2016 - 2018
Manager of Facility Services | Building Systems Leader
John Molnar, P.Eng., LEED AP
Past President 2014 - 2016
Reaz Usmanali, BS, LEED AP
Past President 2012 - 2014
Account Executive at Johnson Controls
William Jack McCartney, CPMP
Past President 2004 - 2006
Ralph J Kosir
Past President 2002 - 2004
George Robb
Past President 2000 - 2002
Ed Cazzola
Past President 1999 - 2000
John B Pollock
Past President 1998 - 1999
Darryl W Singleton
Past President 1996 - 1997
Anthony L Rocco
Past President 1994 - 1995
Building Commissioning Provider at ALR Engineering
Wilfred Laman, PE
Past President 1993 - 1994
Daryl E. Somers
Past President 1992- 1993
Ray Bates
Past President 1990 - 1991
James D Buchanan
Past President 1989 - 1990
Gary Romagnoli
Past President 1988 - 1989
Cliff Schemmer
Past President 1987 - 1988
Joe Vassallo
Past President 1986 - 1987
Ray Jacobs
Past President 1985 - 1986
Robert Morris
Past President 1984 - 1985
John Tuck
Past President 1983 - 1984
Henry Ramsey
Past President 1982 - 1983
J. George Takata
Past President 1981 - 1982
Gerald W. Kowalyshyn
Past President 1980 - 1981
Jack Keon
Past President 1979 - 1980
Frank Spina
Past President 1978 - 1979
Carl Ljungberg
Past President 1977 - 1978
Frank Spina
Past President 1976 - 1977
Tom Poolton
Past President 1975- 1976
Roland Clee
Past President 1974- 1975
George Buckler
Past President 1973- 1974
Edward J. Vance
Past President 1972- 1973
George E. Menzies
Past President 1971- 1972
Frank J. Smith
Past President 1970- 1971
James Gordon
Past President 1969- 1970
Dan R. Tyrell
Past President 1968- 1969
Vincent Szabo
Past President 1967- 1968
David B. Brown
Past President 1966- 1967
Clifford A. Hepburn
Past President 1965- 1966
Michael V. Murray
Past President 1964- 1965
Douglas A. McCoppen
Past President 1963- 1964
Donald S. Harper
Past President 1962- 1963
William M. Carr
Past President 1961- 1962
Gary E. Elliott
Past President 1960- 1961
