Steindler award, Orthopaedic Research Society & American Academy of Orthopaedic Surgeons.
Nicolas Andry award, Association of Bone and Joint Surgeons (USA).
National Institutes of Health (USA),
Center for Scientific Review,
Full Member of Orthopaedic and Full member (from July 2006)
and Chair (from July, 2009 to June, 2011) Skeletal Biology Development and Disorders Study Section (SBDD).
Bristol-Myers Squibb/Zimmer Award for Orthopaedic Research,
American Orthopaedic Association & Orthopaedic Research Society.
Member of Editorial Board, Journal of Pediatric Orthopaedics.
2005-Present of Member,
Research Advisory Board, Shriners Hospitals International, Tampa, FL.
2006-Present of Member,
Editorial Board, Journal of Children’s Orthopaedics.

Society for Fetal Urology
Canadian Urology Association
Academy of Canadian Urologic Surgeons
Pediatric Urologists of Canada
Pediatric Urology Junior Organization
American Urology Association
American Association of Pediatrics, Section on Urology

Institutional Animal Care and Use Committee RIH/ Lifespan
Research Advisory Committee RIH/ Lifespan
Dissertation Advisory Committee U Arkansas Med Sch
Jennifer Atchinson, M.D., Ph.D. candidate
Dissertation title: “Novel Mechanisms of Visceral Pain: Functional Properties of Microglia”
Executive Mentorship Program ad-hoc subcommittee RIH/Lifespan
Surgical Research Executive (“Genius”) Committee RIH

Indian Society of Comparative Animal Physiology
American Society of Andrology
Regular Member of American Gastroenterology Association
Regular Member of The American Physiological Society

North Pacific Surgical Association
Micheal E Debakey Surgical Society
Royal College of Physicians and Surgeons of Canada
American Society of Metabolic and Bariatric Surgery
Trauma Association of Canada
Society of American Gastrointestinal Endoscopic Surgeons
Society of Surgeons of the Alimentary Tract
Canadian Association of General Surgeons
American College of Surgeons
Canadian Medical Association

Academic Surgery Training Committee, NIGMS,
Academy of Experimental Surgeons
Affiliated Medical Services, Board of Trustees,
American Association For Academic Surgery,
American Association for the Advancement of Science
American Association for the Study of Liver Disease
American Association for Surgery Trauma,
American Board of Medical Specialties,Executive Committee,
American Board of Surgery, Director,
American College of Surgeons,
Utah Chapter President,
Committee on Surgical Education in Medical Schools,
Surgical Forum Committee, Program Committee
Surgical Education and Research Committee,
American Federation of Clinical Research
American Gastroenterological Association,
Governing Board,
American Medical Association,
American Pancreatic Association, President ,
American Physiological Society,
American Surgical Association, Program Chairman, Membership Committee,
International Relations, Committee on Honorary Fellowships, Chairman, 2nd Vice President,
American Trauma Society,
Association for Academic Surgery
Association of American Medical Colleges,
Committee on Financing Graduate Medical Education, Executive Council, Executive Committee,
Distinguished Service Member,
Council of Academic Societies Administrative Board, Chairman-Elect, Chairman,
Biophysical Society
Collegium International Chirurgie Digestivae United
States Section, Inc., President,
National Delegate,
Conjoint Council on Surgical Research, Treasurer,
German Society for Digestive and Metabolic Diseases,
Corresponding Member,
Houston Gastroenterological Society,
Houston Surgical Society,
Illinois Surgical Society,
International Biliary Association, President,
International Society for Diseases of the Esophagus,
International Surgical Group,
John W. Kirklin Society,
La Society de Chirurgie de Quebec,
Liaison Committee on Graduate Medical Education,
National Association of Physician Hospital Organizations,
National Consultant in Surgery to the Surgeon General, U.S. Air Force,
H.C. Naffziger Society,
NIH Medicine Study Section A,
NIH Surgery and Bioengineering Study Section, Chairman,
NIH Clinical Study Group,
New York Academy of Sciences
North Pacific Surgical Association
Pan Pacific Surgical Association
Pharmacology-Toxicology Clinical Management
Committee, National Cooperative
Study for the Dissolution of Gallstones,
Philippine College of Surgeons
Salt Lake County Medical Society
Salt Lake Surgical Society, President,
Societe Internationale de Chirurgie, Council,
U.S. Section, Secretary, Vice President, President,
Society for Surgery of the Alimentary Tract, Treasurer,
President, Board of Trustees,
Society of Medical Consultants to the Armed Forces,
Society of Surgical Chairmen, Secretary, Treasurer, President,
Society of University Surgeons, 1966-Lifetime Achievement Award
Southern Society for Clinical Investigation
Southern Surgical Association,
Southwestern Surgical Congress
Splanchnic Circulation Group
Surgical Biology Club III
Texas Surgical Society,
U.S. Dornier Bile Duct Stone Lithotripsy Trial Director,
U.S. Northgate Gallstone Lithotripsy Trial, Director
Utah Society for Certified Surgeons, President,
Utah State Medical Association
V.A. Merit Review Board (Gastroenterology),
Western Surgical Association

Member of The Haltsted Society
Pima County Medical Society
Society of Surgical Chairs
Tucson Surgical Society
Intestinal Transplant Association (ITA)
Minnesota Medical Association (MMA)
American Surgical Association (ASA)
American Diabetes Association (ADA)
International Liver Transplantation Society
Society of University Surgeons (SUS)
American College of Surgeons (ACS)
International College of Surgeons
American Society of Transplant Surgeons (ASTS)
Association for Academic Surgery (AAS)
The Transplantation Society
International Pancreas and Islet Transplant Association
European Society for Organ Transplantation (ESOT)
Deutsche Gesellschaft für Chirurgie
American Society of Transplant Physicians (ASTP)

Member, Massachusetts General Hospital Surgical Society.
Member, Cardiothoracic Surgery Network
Member, International Society for Heart and Lung Transplantation.
Associate Fellow, American College of Surgeons.
Fellow, American College of Cardiology.
Member, Society of Thoracic Surgeons.
Member, Society of University Surgeons.