Past Presidents

1st      Gary Auerbach DC, USA
2nd     Christoph Diem DC, Switzerland
3rd      John Sweaney DC, Australia
4th      Louis Sportelli DC, USA-ACA
5th     Bruce Vaughan DC, Hong Kong SAR
6th     Paul Carey DC, Canada
7th     Anthony Metcalfe DC, United Kingdom
8th     Gerard Clum DC, USA-ICA
9th     Efstathios Papadopoulos DC, Cyprus
10th   J. Michael Flynn DC, USA-ACA
11th   Dennis Richards DC, Australia
12th   Greg Stewart DC, Canada
13th   Espen Johannessen DC, Norway
14th   Lawrence Tassell DC, Australia
15th   Vivian Kil DC, The Netherlands

Past Board of Directors

1989
Gary Auerbach DC, North America – USA  (President)
Christoph Diem DC, Europe – Switzerland  (Vice-President)
John Sweaney DC, Pacific – Australia  (Secretary-Treasurer)
Chris Diedericks DC, Africa – South Africa
Bruce Vaughan DC, Asia – Hong Kong
Yousef Meshki DC, Eastern Mediterranean – Jordan
Enrique Benet Canut DC, Latin America – Mexico
Donald Wood DC, North America – Canada
Gerard Clum DC, North America – USA
Vince Lucido DC, North America – USA
Ken Luedtke DC, North America - USA

1992
Christoph Diem DC, Europe – Switzerland (President)
John Sweaney DC, Pacific – Australia  (Vice-President)
Louis Sportelli DC, North America – USA – ACA  (Secretary-Treasurer)
Gert van der Walt DC, Africa – South Africa
Bruce Vaughan DC, Asia – Hong Kong
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus
Anthony Metcalfe DC, Europe - UK
Enrique Benet-Canut DC, Latin America – Mexico
Paul Carey DC, North America – Canada
Vince Lucido DC, North America – USA – ACA
John Pammer DC, North America – USA - ACA
Gerard Clum DC, North America – USA - ICA

1995
John Sweaney DC, Pacific – Australia  (President)
Louis Sportelli DC, North America – USA-ACA  (Vice-President)
Bruce Vaughan DC, Asia – Hong Kong  (Secretary-Treasurer)
Gert van der Walt DC, Africa – South Africa
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus
Christoph Diem DC, Europe – Switzerland  (Immediate Past-President) 
Anthony Metcalfe DC, Europe - UK
Enrique Benet-Canut DC, Latin America - Mexico
Paul Carey DC, North America – Canada
John Pammer DC, North America – USA – ACA
Russell Sawyer DC, North America – USA - ACA
Gerard Clum DC, North America – USA - ICA

1998
Louis Sportelli DC, North America – USA-ACA  (President)
Bruce Vaughan DC, Asia – Hong Kong SAR  (1st Vice President)
Paul Carey DC, North America – Canada  (2nd Vice President)
Anthony Metcalfe DC, Europe – UK  (Secretary-Treasurer)
Chris Neethling DC, Africa – South Africa
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus
Ronald Firestone DC, Latin America - Bolivia
John Sweaney DC, Pacific – Australia  (Immediate Past-President) 
Michael Pedigo DC, North America – USA – ACA
Kerwin Winkler DC, North America – USA – ACA
Gerard Clum DC, North America – USA - ICA

2000
Bruce Vaughan DC, Asia – Hong Kong SAR  (President)
Paul Carey DC, North America – Canada  (1st Vice President)
Anthony Metcalfe DC, Europe – UK  (2nd Vice President)
Gerard Clum DC, North America – USA – ICA  (Secretary-Treasurer)
Chris Neethling DC, Africa – South Africa
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus
Ronald Firestone DC, Latin America - Bolivia
Dennis Richards DC, Pacific – Australia
Michael Flynn DC, North America – USA – ACA
Michael Pedigo DC, North America – USA – ACA
Kerwin Winkler DC, North America – USA – ACA

2002
Paul Carey DC, North America – Canada  (President)
Anthony Metcalfe DC, Europe – UK  (1st Vice President)
Kerwin Winkler DC, North America – USA – ACA  (2nd Vice President)
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus  (Secretary-Treasurer)
Bruce Vaughan DC, Asia – Hong Kong SAR  (Immediate Past-President) 
Chris Neethling DC, Africa – South Africa
Homer Firestone DC, Latin America - Bolivia
Dennis Richards DC, Pacific – Australia
J. Michael Flynn DC, North America – USA – ACA
Michael Pedigo DC, North America – USA – ACA
Gerard Clum DC, North America – USA – ICA

2004
Anthony Metcalfe DC, Europe – UK  (President)
Gerard Clum DC, North America – USA – ICA  (1st Vice President)
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus  (2nd Vice President)
J. Michael Flynn DC, North America – USA – ACA  (Secretary-Treasurer)
Bruce Vaughan DC, Asia – Hong Kong SAR
Chris Neethling DC, Africa – South Africa
Ricardo Fujikawa DC MD, Latin America – Brazil
Deborah Kopansky-Giles DC, North America – Canada
Cynthia Vaughn DC, North America – USA – ACA
Kerwin Winkler DC, North America – USA – ACA
Dennis Richards DC, Pacific – Australia

2006
Gerard Clum DC, North America – USA – ICA  (President)
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus  (1st Vice President)
J. Michael Flynn DC, North America – USA – ACA  (2nd Vice President)
Dennis Richards DC, Pacific – Australia  (Secretary-Treasurer)
Terrence Yap DC, Asia – Singapore
Evalie Heath DC, Africa – Zimbabwe
Espen Johannessen DC, Europe – Norway
Barry Lewis DC, Europe – UK
Ricardo Fujikawa DC MD, Latin America - Brazil
Deborah Kopansky-Giles DC, North America – Canada
Greg Stewart DC, North America – Canada
Donald Krippendorf DC, North America – USA – ACA
Kerwin Winkler DC, North America – USA – ACA

2008
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus  (President)
J. Michael Flynn DC, North America – USA – ACA  (1st Vice President)
Dennis Richards DC, Pacific – Australia  (2nd Vice President)
Greg Stewart DC, North America – Canada  (Secretary-Treasurer)
Terrence Yap DC, Asia – Singapore
Evalie Heath DC, Africa – Zimbabwe
Espen Johannessen DC, Europe – Norway
Barry Lewis DC, Europe – UK
Ricardo Fujikawa DC MD, Latin America - Brazil
Deborah Kopansky-Giles DC, North America – Canada
Gerard Clum DC, North America – USA – ICA  (Immediate Past-President)
Donald Krippendorf DC, North America – USA – ACA
Kerwin Winkler DC, North America – USA – ACA

2010
J. Michael Flynn DC, North America – USA – ACA  (President)
Dennis Richards DC, Pacific – Australia  (1st Vice President)
Greg Stewart DC, North America – Canada  (2nd Vice President)
Espen Johannessen DC, Europe – Norway (Secretary-Treasurer)
Michael van den Bos DC, Africa – South Africa
Terrence Yap DC, Asia – Singapore
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus (Immediate Past-President)
Barry Lewis DC, Europe - UK
Carlos Ayres DC, Latin America – Peru
Deborah Kopansky-Giles DC, North America – Canada
Rick McMichael DC, North America – USA – ACA
Gerard Clum DC, North America – USA – ICA

2012
Dennis Richards DC, Pacific – Australia  (President)
Greg Stewart DC, North America – Canada  (1st Vice President)
Espen Johannessen DC, Europe – Norway  (2nd Vice President)
Carlos Ayres DC, Latin America – Peru  (Secretary-Treasurer)
Michael van den Bos DC, Africa – South Africa
Terrence Yap DC, Asia – Singapore
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus
Barry Lewis DC, Europe - UK
Deborah Kopansky-Giles DC, North America – Canada
J. Michael Flynn DC, North America – USA – ACA  (Immediate Past-President)
Rick McMichael DC, North America – USA – ACA
Gerard Clum DC, North America – USA – ICA

2014
Greg Stewart DC, North America – Canada  (President)
Espen Johannessen DC, Europe – Norway  (1st Vice President)
Carlos Ayres DC, Latin America – Peru  (2nd Vice President)
Rick McMichael DC, North America – USA – ACA  (Secretary-Treasurer)
Reg Engelbrecht DC, Africa – South Africa
Terrence Yap DC, Asia – Singapore
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus
Kenneth Vall DC, Europe - UK
Deborah Kopansky-Giles DC, North America – Canada
J. Michael Flynn DC, North America – USA – ACA
Gerard Clum DC, North America – USA – ICA
Dennis Richards DC, Pacific – Australia  (Immediate Past-President)
Laurie Tassell DC, Pacific – Australia

2016 - 2018
Espen Johannessen DC, Europe – Norway  (President)
Carlos Ayres DC, Latin America – Peru  (1st Vice President)
Rick McMichael DC, North America – USA – ACA  (2nd Vice President)
Laurie Tassell DC, Pacific – Australia  (Secretary-Treasurer)
Musimbi Ondeko DC, Africa – Kenya
Kei Takeyachi DC, Asia – Japan
Efstathios Papadopoulos DC, Eastern Mediterranean – Cyprus
Vivian Kil DC, Europe - Netherlands
Deborah Kopansky-Giles DC, North America – Canada
Greg Stewart DC, North America – Canada  (Immediate Past-President)
Michele Maiers DC, North America – USA – ACA
John Maltby DC, North America – USA – ICA
Corrian Poelsma DC, Pacific – New Zealand

2019
Laurie Tassell DC, Pacific – Australia  (President. Resigned from Board April 2019)
Vivian Kil DC, Europe – Netherlands  (1st Vice President, Interim President May 2019)
Michele Maiers DC, North America – USA – ACA  (2nd Vice President)
Kei Takeyachi DC, Asia – Japan  (Secretary-Treasurer)
Kendrah Da Silva DC,  Africa – South Africa
Stathis Papadopoulos DC, Eastern Mediterranean – Cyprus
Gian Joerger DC, Europe – Switzerland
Carlos Ayres DC, Latin America – Peru
John Maltby DC, North America – USA – ICA
Holly Tucker DC, North America – USA – ACA
David Peeace DC, North America – Canada
Ayla Azad DC, North America – Canada
Andrew Lawrence DC, Pacific – Australia (Board Director from August 2019)
Corrian Poelsma DC, Pacific – New Zealand