BOARD OF DIRECTORS
- Scott Van Pelt (USA) – current President
- Germán Ruiz Cárdenas (Chile)
- Roberto Casas (Argentina)
- Carmelo Dazzi (Italy, ESSC)
- Samir A. El-Swaify (USA, Hawaii)
- Adriana M. Quinchía Figueroa (Colombia)
- Mike Grundy (Australia)
- Ádám Kertész (Hungary)
- Mark A. Nearing (USA)
- I. Pla-Sentis (Spain)
- Eduardo Reinzi (Argentina)
- Jose Rubio (Spain)
- Li Rui (China)
- Mohammad Sabir (Morocco)
- Juan Carlos Loaiza Usuga (Colombia)
- Erick Zagal (Chile)
EMERITUS MEMBERS
- Maurice Cook (USA)
- Calvin Rose (Australia)
- Francis Shaxson (UK)
- David Sanders (UK, WASWC)
- Max Schnepf (USA, NRCS)
- K. Tato (Ethiopia)
- K. G. Tejwani (India)
- Fritz Holzwarth (Germany)
- Eric Roose (France)
- Fritz Holzwarth (Germany)
- Hans Hurni (Switzerland)