Phoenix, Arizona Clinical Profile


My research interests include the following:

Diseases of the colon and rectum, with specific reference to the application of laparoscopic techniques to improve patient outcomes.

  • laparoscopic resection for colonic polyps
  • laparoscopic resection and its applicability in colorectal cancer
  • benefits of laparoscopic resection of Crohn's disease, with emphasis on patient outcomes and formal cost analysis
  • development of laparoscopic techniques for extensive colorectal procedures, including proctocolectomy and ileal pouch-anal anastomosis (J-pouch) for ulcerative colitis and familial adenomatous polyposis (FAP)
  • laparoscopic total abdominal colectomy for colonic dysmotility
  • physiologic benefits of laparoscopic approaches, with interest in fluid homeostasis

Clinical trials in the field of colon and rectal surgery.

  • participation in NIH multi-center trial of laparoscopic resection of colon cancer
  • use of Seprafilm to reduce postoperative abdominal adhesions and small bowel obstruction


Primary Appointment

  1. Consultant, Division of Colon & Rectal Surgery, Department of Surgery

Academic Rank

  1. Professor of Surgery


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

Clinical Studies

Learn about clinical trials that address specific scientific questions about human health and disease.

Explore all research studies at Mayo Clinic.


See the peer-reviewed findings I have published as a result of my research.

Review publications.

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