RC34 Board 2014-2018
| President | Ani Wierenga |
| Organisational Secretary and Treasurer | Howard Williamson |
| IBYR Editor | Maurizio Merico |
| Vice Presidents for: | |
| North America | Jeylan Mortimer |
| South America | Rosa Maria Camarena |
| Africa, near East and Middle East | Sharlene Swartz |
| Australia, New Zealand and Oceania | Dan Woodman |
| Asia, including China and Japan | Clarence M. Batan |
| Vinod Chandra | |
| Europe, including Russian Federation | Maurice Devlin |
| Natalia Wæchter | |
| Past President | James Côté |
| Advisory Board | Ngan-Pun NgaiHelena HelveLynne Chisholm
Ola Stafseng Carmen Leccardi Tomohiko Asano Shen Jie Carles Feixa David Everatt Tom Dwyer Lyudmila Nurse Siyka Kovacheva |
RC34 Board 2010-2014
| President | James Côté |
| Organisational Secretary and Treasurer | Howard Williamson |
| IBYR Editor | Clarence M. Batan |
| Vice Presidents for: | |
| North America | Jeylan Mortimer |
| South America | Rosa Maria Camarena |
| Africa, near East and Middle East | Sharlene Swartz |
| Australia, New Zealand and Oceania | Ani Wierenga |
| Asia, including China and Japan | Shen Jie |
| Tomahiko Asano | |
| Europe, including Russian Federation | Maurice Devlin |
| Natalia Waechter | |
| Past President | Ngai Ngan Pun |
| Advisory Board | Lynne Chisholm David Everatt Helena Helve |
Jürgen Hartmann
Gunilla Holm
Siyka Kovacheva
Ladislav Machacek
Lyudmila Nurse
Reingard Spannring
Ola Stafseng
Songxing Su
Henk Vinken
Sylvia Trnka
Claire Wallace
RC34 Board 2006-2010
| President | Ngai Ngan Pun |
| Organisational Secretary | Howard Williamson |
| Treasurer | Natalia Waechter |
| IBYR Editor | Clarence M. Batan |
| Vice Presidents for: | |
| Africa, Near East and Middle East | Charles Ukeje |
| Asia, including Japan and China | Vinod Chandra |
| Australia, New Zealand and Oceania | Ani Wierenga |
| North America | James Côté |
| Central & South America | Tom Dwyer |
| Europe, including the Russian Federation and Confederation of Independent States | Carles Feixa |
Carmen LeccardiPast PresidentHelena HelveAdvisory BoardLynne Chisholm
Reingard Spannring
David Everatt
Henk Vinken
Gunilla Holm
Sylvia Trnka
Siyka Kovacheva
Lyudmila Nurse
Ola Stafseng
Juergen Hartmann
Ladislav Machacek
Claire Wallace
Songxing Su