Memberships and Offices in Professional Organizations

• Alpha Omega Alpha Honorary Medical Society
• American Academy of Pediatrics
• Consultant, American Board of Surgery, 1989 - Present
• Examiner, American Board of Surgery, 1980 - present
• American College of Chest Physicians
• American College of Surgeons
• Pre- and Postoperative Care Committee of the American College of Surgeons
• Committee on Medical Motion Picture Committee of the American College of Surgeons
• Pediatric Surgery Biology Club of the American College of Surgeons
• Surgical Biology Club I of the American College of Surgeons
• American Federation for Clinical Research
• American Geriatrics Society
• American Pediatric Surgical Association
• Publications Committee, American Pediatric Surgical Association,
  1975 - 1978; 1980 - 1982
• Program Committee, American Pediatric Surgical Association, 1979 - 1982
• Membership and Credentials Committee, American Pediatric Surgical Association,
• 1984 - 1987
• Education Committee, American Pediatric Surgical Association, 1988 - Present
• Chairman, Program Committee, American Pediatric Surgical Association,
• 1980 - 1982
• American Society of Parenteral and Enteral Nutrition
• Chairman, Liaison Committee, American Society for Parenteral and Enteral Nutrition
• American Surgical Association
• American Trauma Society
• Association for Academic Surgery
• Central Surgical Society
• International College of Surgeons
• Vice-Regent, International College of Surgeons
• International Society of Parenteral Nutrition
• International Society of Surgery
• Surgical Advisory Committee of the National Surgery Foundation
• Michigan Society of Thoracic and Cardiovascular Surgeons
• New York Academy of Sciences
• Pacific Association of Pediatric Surgeons
• Pan American Medical Association
• Council of the Section of Pediatric Surgery of the Pan American Medical Association
• Royal Society of Medicine of England
• Shock Society
• Society of Thoracic Surgeons
• Society of University Surgeons
• Western Surgical Society
• World Medical Association
• Council of the Southeastern Michigan Surgical Society
• Founding Member, The Society for Pediatric Trauma
• The American Institute of Nutrition
• The American Society for Clinical Nutrition, Inc.
• Academy of Surgery of Detroit
• President Southeast Michigan Surgical Society, 1989 - 1990
• Critical Care Committee, American Pediatric Surgical Association
• Frederick A. Coller Surgical Society
• Extracorporeal Life Support Organization
• Society of Critical Care Medicine
• World Association of HPB Surgery
• Honorary Member, Israeli Pediatric Surgical Society
• Honorary Member, Israeli Surgical Society
• American Association for the Surgery of Trauma
• The Society of Surgery of the Alimentary Tract
• Chairman of the Education Committee of the American Pediatric Surgical Association, 1990 - present
• Collegium Internationale Chirurgiae Digestivae
• Honorary Member, South African Association of Pediatric Surgery
• Halstead Society
• Member, National Foundation for Ileitis and Colitis
• Governor, American Pediatric Surgical Association, 1991 - 1994
• Member, Clinical Research Advisory Council, The March of Dimes
• Honorary Member, Greek Association of Pediatric Surgeons
• Honorary Member, Canadian Association of Pediatric Surgeons
• Member, The American Association of Clinical Anatomists
• American Society for Artificial Internal Organs
• Member, The Society of Surgical Oncology
• Member, Advisory Council of the Michigan Injury Control Research Center
• Associate, International Federation of Surgical Colleges
• Member, Executive Council of Surgical Section of the American Academy of Pediatrics, 1993 - present
• Member Surgical Committee, Children's Cancer Study Group (CCSG)
• Senior Advisor, Surgical Section of the Children's Cancer Study Group (CCSG)
• Chairman, Pediatric Surgical Advisory Council, American College of Surgeons, 1993 - 1997
• Member, Council of the British Association of Pediatric Surgeons, 1994 - 1997
• Member, Membership Committee, American Surgical Association, 1994 - present
• Member, Practice and Expense Committee, American College of Surgeons
• Vice President, Association of Pediatric Surgeons Training Programs Directors, 1995 - 1997
• Honorary Member, Asian Association of Pediatric Surgeons
• Member, Board of Pediatric Surgery Research
• Member, Executive Committee of the World Federation of Associations of Pediatric Surgeons (WOFAPS)
• Member, Society of American Gastrointestinal Endoscopic Surgeons
• Honorary Member, Mediterranean Association of Pediatric Surgeons, 1998
• Member of Executive Committee, Surgical Section of the American Academy of Pediatrics, 1994-2000
• Chairman, Surgical Section of the American Academy of Pediatrics, 1999
• Chairman, Surgical Advisory Panel, American Academy of Pediatrics, 1999-2002
• Honorary Member, Japanese Society of Pediatric Surgery
• Member, The International Society for Diseases of the Esophagus
• President-elect, American Pediatric Surgical Association, 2000-2001
• President, American Pediatric Surgical Association, 2001-2002
• Vice President, World Association of Pediatric Surgery Associations, January 1, 2002- December 31, 2004
• Governor, The American College of Surgeons, 2001-2004
• Honorary Member, The Swiss Society of Pediatric Surgery, 2002 - present
• Honorary Member, Cuban Society of Pediatric Surgery, 2003 - present