• President: K.V. Srinivasan (India)
• Vice President: Juan Parés (Spain)
• Vice President: Mustafa Denizer (Türkiye)
• Treasurer: Ernesto Maurer (Switzerland)

Board Members:

• Rafael Cervone (Brazil)
• John Cheh (Hong Kong, China)
• Uday Paul Gill (Indonesia/Thailand)
• Stefan Hutter (Singapore)
• Mirza Salman Ispahani (Bangladesh)
• Suchita Oswal Jain (India)
• Tae-Jin Kang (Korea Rep.)
• Mohammed Kassem (Egypt)
• Muharrem Kayhan (Türkiye)
• Muhammad Anees Khawaja (Pakistan)
• Michelle Tjokrosaputro (Indonesia)
• Than Duc Viet (Vietnam)
• Loek de Vries (Netherlands)
• Yingxin Xu (China)
• Yan Yan (China)

• President: Ruizhe Sun (China)
• Vice President: K.V. Srinivasan (India)
• Vice President: Juan Parés (Spain)
• Treasurer: Ernesto Maurer (Switzerland)

Board Members:

• Rafael Cervone (Brazil)
• John Cheh (Hong Kong, China)
• Mustafa Denizer (Türkiye)
• Uday Paul Gill (Indonesia/Thailand)
• Mirza Salman Ispahani (Bangladesh)
• Suchita Oswal Jain (India)
• Tae-Jin Kang (Korea Rep.)
• Mohammed Kassem (Egypt)
• Muharrem Kayhan (Türkiye)
• Andrew Macdonald (Brazil)
• Michelle Tjokrosaputro (Indonesia)
• Loek de Vries (Netherlands)
• Yingxin Xu (China)

• President: Kihak Sung (Korea Rep.)
• Vice President: Ruizhe Sun (China)
• Vice President: K.V. Srinivasan (India)
• Treasurer: Heinz Michel (Switzerland)

Board Members:

• Rafael Cervone (Brazil)
• John Cheh (Hong Kong, China)
• Peter Gnägi (Switzerland)
• Mohammed Kassem (Egypt)
• Muharrem Kayhan (Türkiye)
• Andrew Macdonald (Brazil)
• Juan Parés (Spain)
• Michelle Tjokrosaputro (Indonesia)
• Loek de Vries (Netherlands)

• President: Jaswinder Bedi (Kenya)
• Vice President: Kihak Sung (Korea Rep.)
• Vice President: Ruizhe Sun (China)
• Treasurer: Peter Gnägi (Switzerland)

Board Members:

• Rafael Cervone (Brazil)
• John Cheh (Hong Kong, China)
• Muharrem Kayhan (Türkiye)
• Andrew Macdonald (Brazil)
• Heinz Michel (Switzerland)
• B.K. Patodia (India)
• K.V. Srinivasan (India)
• Bassem Sultan (Egypt)
• Loek de Vries (Netherlands)

• President: Tiankai Wang (China)
• Vice President: Jaswinder Bedi (Kenya)
• Treasurer: Peter Gnägi (Switzerland)

Board Members:

• Rafael Cervone (Brazil)
• John Cheh (Hong Kong, China)
• Muharrem Kayhan (Türkiye)
• Andrew Macdonald (Brazil)
• Heinz Michel (Switzerland)
• B.K. Patodia (India)
• K.V. Srinivasan (India)
• Bassem Sultan (Egypt)

• President: Josué Gomes da Silva (Brazil)
• Vice President: Tiankai Wang (China)
• Treasurer: Peter Gnägi (Switzerland)

Board Members:

• Jas Bedi (Kenya)
• John Cheh (Hong Kong, China)
• Muharrem Kayhan (Türkiye)
• Andrew Macdonald (Brazil)
• Heinz Michel (Switzerland)
• B.K. Patodia (India)
• K.V. Srinivasan (India)
• Bassem Sultan (Egypt)

• President: Bashir Mohammad (Pakistan)
• Vice President: Josué Gomes da Silva (Brazil)
• Vice President: Tiankai Wang (China)
• Treasurer: Bassem Sultan (Egypt)

Advisory Board:

• John Cheh (Hong Kong, China)
• Muharrem Kayhan (Türkiye)
• Andrew Macdonald (Brazil)
• Heinz Michel (Switzerland)
• B.K. Patodia (India)
• K.V. Srinivasan (India)

• President: Walter Simeoni (South Africa)
• Vice President: Narin (Türkiye)
• Vice President: Bashir Mohammad (Pakistan)
• Treasurer: Xavier Ballus (Spain)

Advisory Board:

• Heinz Bachmann (Switzerland)
• Andrew Macdonald (Brazil)
• B.K. Patodia (India)

• President: Walter Simeoni (South Africa)
• Vice President: Narin (Türkiye)
• Vice President: Bashir Mohammad (Pakistan)
• Treasurer: Xavier Ballus (Spain)

• President: Tito Burgi (Italy)
• Vice President: Walter Simeoni (South Africa)
• Vice President: Narin (Türkiye)
• Treasurer: Heinz Bachmann (Switzerland)

• President: Sudhir Thackersey (India)
• Vice President: Tito Burgi (Italy)
• Vice President: Walter Simeoni (South Africa)
• Treasurer: Mohamed Lahlou (Morocco)

• President: Herbert Schmid (Brazil)
• Vice President: Sudhir Thackersey (India)
• Vice President: Tito Burgi (Italy)
• Treasurer: Salim Ismail (Madagascar)

• President: Min Sok Suh (Korea Rep.)
• Vice President: Herbert Schmid (Brazil)
• Vice President: Sudhir Thackersey (India)
• Treasurer: Josef Jiranek (Czeck Rep.)

• President: Hervé Giraud (Türkiye)
• Vice President: Min Sok Suh (Korea Rep.)
• Vice President: Gunar Karsten (Brazil)
• Treasurer: Edmund Travis Gartside (UK)

• President: Daniel K. Frierson (USA)
• Vice President: Hervé Giraud (Türkiye)
• Vice President: Min Sok Suh (Korea Rep.)
• Treasurer: Harry Sucksdorff (Finland)

• President: Douglas T. Hsu (Chinese Taipei)
• Vice President: Daniel K. Frierson (USA)
• Vice President: Hervé Giraud (Türkiye)
• Treasurer: George Accas (Greece)

• President: Federico Sanfeliu (Spain)
• Vice President: Douglas T. Hsu (Chinese Taipei)
• Vice President: Daniel K. Frierson (USA)
• Treasurer: Hendrik J. Hesselink (Netherlands)

• President: Tom Bell (Canada)
• Vice President: Federico Sanfeliu (Spain)
• Vice President: Douglas T. Hsu (Chinese Taipei)
• Treasurer: Willi Hladik (Austria)

• President: M. Mangaldas (India)
• Vice President: Tom Bell (Canada)
• Vice President: Federico Sanfeliu (Spain)
• Treasurer: Kak-Choong Kim (Korea Rep.)

• President: Bernard Crone-Rawe (Germany)
• Vice President: M. Mangaldas (India)
• Vice President: Tom Bell (Canada)
• Treasurer: David N.W. Lee (Malaysia)

• President: Donald Comer, Jr. (USA)
• Vice President: Bernard Crone-Rawe (Germany)
• Vice President: M. Mangaldas (India)
• Treasurer: Nezih Tunçsiper (Türkiye)

• President: Ichiji Ohtani (Japan)
• Vice President: Donald Comer, Jr. (USA)
• Vice President: Bernard Crone-Rawe (Germany)
• Treasurer: Hamed Habib (Egypt)

• President: Roger Sauvegrain (France)
• Vice President: Ichiji Ohtani (Japan)
• Vice President: Donald Comer, Jr. (USA)
• Treasurer: Aris Catsambas (Greece)