Gastrointestinal 7 expert group (2022)
- M Pirotta (chair)
- P Aminian
- J Begun
- E Bidgood
- R Burgell
- E Burkett
- F Devchand
- K Ellard
- N Gupta
- G Hebbard
- P Lim
- K McGrath
- A Metz
- B Mitchell
- C Rayner
- F Sluchniak
Gastrointestinal 6 expert group (2016)
- R Moulds (chair)
- P Bampton
- E Burkett
- S Daskalakis
- J Davis
- P De Cruz
- L Ee
- K Ellard
- K Fetterplace
- A Finch
- A Foley
- G Hebbard
- W Jammal
- P Katelaris
- A Legg
- S Strasser
- G Valoppi
Gastrointestinal 5 expert group (2011)
Gastrointestinal expert group
- R Moulds (chair)
- P Bampton
- M Curry
- L Ee
- K Ellard
- G Hebbard
- P Katelaris
- M McCullen
- P Pavli
- S Rogers
- J Scally
- S Shepherd
- M Sparrow
- S Strasser
- G Vernon
Gastrointestinal Infections expert group
- R Moulds (chair)
- S Daskalakis
- L Ee
- G Franks
- T Korman
- D Looke
- M McCullen
- J Sasadeusz
- S Strasser
- G Vernon
Gastrointestinal 4 expert group (2006)
- G Shenfield (chair)
- P Bampton
- T Catto-Smith
- B Crotty
- P Desmond
- K Ellard
- A Glover
- G Hebbard
- S Hunt
- P Katelaris
- M McCullen
- P Pavli
- J Scally
- S Shepherd
- S Strasser
- K Tse
- G Vernon
Gastrointestinal 3 expert group (2002)
- D Birkett (chair)
- A Catto-Smith
- D Cosh
- B Crotty
- D Dammery
- P Desmond
- S King
- B Leggett
- C Liddle
- P Pavli
- J Reeve
- A Wilson
- N Yeomans
Gastrointestinal 2 expert group (1998)
- R Moulds (chair)
- A Catto-Smith
- B Crotty
- D Dammery
- P Desmond
- B Khariwala
- S King
- B Leggett
- C Martin
- P Pavli
- I Roberts-Thomson
- K Stewart
- A Wilson
- N Yeomans
Gastrointestinal 1 expert group (1994)
- R Moulds (chair)
- M Hemming
- A Catto-Smith
- B Crotty
- P Desmond
- J Engstrom
- A Glover
- D Henry
- S Hunter
- I Roberts-Thomson
- K Stewart
- N Yeomans