2021 - 2022
S. Raja Sabapathy
- India
2019 - 2021
GOO HYUN BAEK
- South Korea
2016 - 2019
Daniel Nagle
- USA
2013 - 2016
Marc Garcia-Elias
- Spain
2010 - 2013
Zsolt Szabo
- Hungary
2007 - 2010
Michael Tonkin
- Australia
2004 - 2007
Ulrich Mennen
- South Africa
1998 - 2004
James R Urbaniak
- USA
1995 - 1998
Guy Foucher
- France
1989 - 1995
M A Vargas Busquets
- Puerto Rico
1983 - 1989
R M McFarlane
- Canada
1977 - 1983
A B Swanson
- USA
1972 - 1977
H G Stack
- UK
1966 - 1972
A J Barsky
- USA
