Kathy Teahon M.D. University of Dublin, Ireland 1991
 Paul Smethurst Ph.D. University of London 1992.
 Jeremy Hayllar M.D. University of Birmingham 1995
 Taher Mahmud M.D. University of London 1998
 Sue Rafi Ph.D. University of London, 1998
 Molly Jacob Ph.D. University of London, 1999
 Jeremy Tibble M.D. University of London, 1999
 Gudmundur Sigthorsson   
 Ph.D. University of London, 2001
 Matthew Walley Ph.D. University of London, 2004
 Christoph Hotz-Behofsits Ph.D. University of London 2007
 Laurence Maiden
 M.D. Univeristy of London 2008
 Guy Sisson
 M.D. Pending
 Amin Haji
 M.D. Pending
 S. Jeyarajah
 M.D. Pending
 Dr Guy Sisson Working towards the award of MD on probiotics
 Mr Amyn Haji Working towards the award of MD on miniprobe
  ultrasound during colonoscopy