Board of Directors
- President: Prateek Sharma, USA
- Treasurer: David Armstrong, Canada
- Director: Michael Vaezi, USA
- Director: Alessandro Repici, Italy
- * Jacques Bergman, Netherlands
- * Oliver Pech, Germany
- * Krish Ragunath, United Kingdom
Members of IWGCO Working Subgroups
Refractory GERD Consensus Group
- Sameer Al Awadhi, UAE
- David  Armstrong, Canada
- Reginald Bell, USA
- Brendan Delaney, UK
- Fabian Emura, Columbia
- Prakash Gyawali, USA
- Amritpal Hungin, UK
- Peter Kahrilas, USA
- Peter Katelaris, Australia
- Adriana Lazarescu,Canada
- Justin Yeong Yeh Lee, Malaysia
- Enqiang Linghu, People’s Republic of China
- Paul Moayyedi, Canada
- Alessandro Repici, Italy
- Sabin Roman, France
- Ceciel Rooker, USA
- Edoardo Savarino, Italy
- Prateek Sharma, USA
- Daniel Sifrim, UK
- Kentaro Sugano, Japan
- Michael Vaezi, USA
- Rena Yadlapati, USA
- Frank Zerbib, France
BORN Group
- Jacques J. G. H. M. Bergman, The Netherlands
- A. Jeroen de Groof, The Netherlands
- Oliver Pech, Germany
- Krish Ragunath, United Kingdom
- David Armstrong, Canada
- Nahid Mostafavi, The Netherlands
- Lars Lundell, Sweden
- John Dent, Australia
- Michael Vieth, USA
- Guido N. J. Tytgat, The Netherlands
- Prateek Sharma, USA
Prague C & M Group
- Prateek Sharma, USA
- John Dent, Australia
- David Armstrong, Canada
- Jacques J. G. H. M. Bergman, The Netherlands
- Liebwin Gossner, Germany
- Yoshio Hoshihara, Japan
- Janusz A. Jankowski, United Kingdom
- Ola Junghard, Sweden
- Lars Lundell, Sweden
- Guido N. J. Tytgat, The Netherlands
- Michael Vieth, Germany
LA Classification Group
- David Armstrong, Canada
- John R. Bennett, England
- André L. Blum, Switzerland
- John Dent, Australia
- F. Timothy De Dombal, England
- Jean-Paul Galmiche, France
- Lars Lundell, Sweden
- Mariana Margulies, England
- Joel E. Richter, USA
- Stuart J. Spechler, USA
- Guido N. J. Tytgat, The Netherlands
- Lene Wallin, Denmark