1. Arizona


  1. Colon and Rectal Surgery
  2. General Surgery


  1. BA - Physiological Sciences University College, Oxford University
  2. BM BCh Oxford University Medical School
  3. (elective) Mission Hospital - Bamenda, Cameroon, West Africa
  4. House Officer - General Medicine Queen Alexandra Hospital
  5. House Officer - General Surgery John Radcliffe Hospital
  6. Research Fellowship - Harvard Surgical Research Fellow; Organ Transplantation New England Deaconess Hospital
  7. Resident - General Surgery St. Elizabeth's Medical Center
  8. Resident - Anesthesia Beth Israel Hospital
  9. Fellow - Colon and Rectal Surgery Mayo Clinic in Rochester
  10. Fellow - Laparoscopic Colon and Rectal Surgery Mayo Clinic in Rochester
  11. Scholarship - Mayo Foundation Scholar: Program in Clinical Effectiveness Harvard School of Public Health
  12. MS - Epidemiology Harvard School of Public Health


  1. American Board of Surgery
  2. American Board of Colon and Rectal Surgery

Academic rank

  1. Professor of Surgery

Professional Highlights

  • Secretary General, International Society for Digestive Surgery, 2004


  • Laparoscopic and open management of: Crohn's Disease, ulcerative colitis, diverticulitis, polyps and colon and rectal cancer


See a listing of publications on PubMed, a service of the National Library of Medicine.


See a description of research activities.