- 2008 - present
MemberITT Physician Board, American Society for Gastrointestinal Endoscopy
- 2008 - present
MemberSociety of American Gastrointestinal & Endoscopic Surgeons
- 2006 - present
MemberNOSCAR (NOTES) Committee, American Society for Gastrointestinal Endoscopy
- 2004
Honorary MemberNew York Gastrointestinal Endoscopy Society
- 2003 - 2004
PresidentAmerican Society for Gastrointestinal Endoscopy
- 2002 - 2003
President-ElectAmerican Society for Gastrointestinal Endoscopy
- 2000 - 2002
TreasurerAmerican Society for Gastrointestinal Endoscopy
- 2000 - present
MemberACG/ASGE Endoscopic Credentialing Committee, American College of Gastroenterology
- 1998 - present
DirectorDevelopmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1998 - present
MemberDevelopmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1997 - present
DirectorAdvanced Endoscopy Research Fellowship, Endoscopy Committee, Division of Gastroenterology and Hepatology
- 1997 - present
MemberAdvanced Endoscopy Research Fellowship, Endoscopy Committee, Division of Gastroenterology and Hepatology
- 1997 - present
MemberGoverning Board, American Society for Gastrointestinal Endoscopy
- 1996
Test Questions EvaluatorSubspecialty Recertification Examination, American Board of Internal Medicine
- 1996
Test Questions ContributorSubspecialty Recertification Examination, American Board of Internal Medicine
- 1996
MemberSubspecialty Recertification Examination, American Board of Internal Medicine
- 1996 - present
MemberComputer and Technology Subcommittee, American Gastroenterological Association
- 1994 - 1997
MemberBoard of Trustees, American College of Gastroenterology
- 1994 - present
MemberAd Hoc Committee on Long Range Planning, American College of Gastroenterology
- 1993 - 1996
DirectorAdvanced Endsoscopy Fellowship, Endoscopy Committee, Division of Gastroenterology and Hepatology
- 1993 - 1996
OrganizerEndoscopy Core Conference, Endoscopy Committee, Division of Gastroenterology and Hepatology
- 1993 - 1996
MemberAdvanced Endsoscopy Fellowship, Endoscopy Committee, Division of Gastroenterology and Hepatology
- 1993 - 1996
MemberEndoscopy Core Conference, Endoscopy Committee, Division of Gastroenterology and Hepatology
- 1993 - 1996
ChairPost-Graduate Education Committee, American Society for Gastrointestinal Endoscopy
- 1993 - 1996
MemberTraining and Education Committee, American Gastroenterological Association
- 1993 - 1996
MemberAGA Training & Education Liaison, American Society for Gastrointestinal Endoscopy
- 1993 - 1996
MemberDDW Pre-Program Planning Committee, American Society for Gastrointestinal Endoscopy
- 1993 - 1995
MemberMKSAP-III Gastroenterology & Hepatology, American College of Physicians
- 1993
Test Questions EvaluatorSubspecialty Recertification Examination, American Board of Internal Medicine
- 1993
Test Questions ContributorSubspecialty Recertification Examination, American Board of Internal Medicine
- 1993
MemberSubspecialty Recertification Examination, American Board of Internal Medicine
- 1992 - 1996
MemberPost-Graduate Education Committee, American Society for Gastrointestinal Endoscopy
- 1992 - 1996
MemberEducation Committee, American College of Gastroenterology
- 1992 - 1995
MemberFDA Related Matters Committee, American College of Gastroenterology
- 1992 - 1994
ChairCurrent Topics (lay press) Subcommittee, American College of Gastroenterology
- 1992 - 1994
MemberCurrent Topics (lay press) Subcommittee, American College of Gastroenterology
- 1992 - 1994
MemberWorld Congress of Gastroenterology
- 1992 - 1994
MemberPublic Affairs Committee, World Congress of Gastroenterology
- 1992 - 1994
Regional CouncilorAmerican College of Gastroenterology
- 1992 - 1993
MemberScientific Exhibits Committee, American Society for Gastrointestinal Endoscopy
- 1992 - present
OfficerCouncil for Regional Endoscopic Societies, American Society for Gastrointestinal Endoscopy
- 1992 - present
OrganizerMinnesota Gut Club, American College of Gastroenterology
- 1992 - present
MemberCouncil for Regional Endoscopic Societies, American Society for Gastrointestinal Endoscopy
- 1992 - present
MemberPublications Committee, American College of Gastroenterology
- 1992 - present
MemberMembership Committee, American College of Gastroenterology
- 1992 - present
MemberPublic Relations Committee, American College of Gastroenterology
- 1992 - present
MemberMinnesota Gut Club, American College of Gastroenterology
- 1991 - 1994
Governor, MinnesotaAmerican College of Gastroenterology
- 1991 - present
Organizing ChairSocial Task Force, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1991 - present
DirectorEndoscopy Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1991 - present
MemberSocial Task Force, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1991 - present
MemberEducation Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1991 - present
MemberGI Research Protocol Review Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1991 - present
MemberPractice Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1991 - present
MemberExecutive Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1991 - present
MemberEndoscopy Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1989 - present
MemberSigma Xi, The Scientific Research Society
- 1989 - present
MemberAmerican College of Gastroenterology
- 1987 - present
MemberAmerican Society for Gastrointestinal Endoscopy
- 1987 - present
MemberMinnesota Medical Association
- 1987 - present
MemberZumbro Valley Medical Society, Minnesota Medical Association
- 1986 - 1991
ChairLaser Endoscopy Group, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - 1991
Organizing ChairGI Bleeding Team and Emergency Endoscopy, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - 1991
MemberLaser Endoscopy Group, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - 1991
MemberGI Bleeding Team and Emergency Endoscopy, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - 1987
Organizing ChairLaser Safety Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - 1987
MemberLaser Safety Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - present
MemberDivision of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - present
MemberDepartment of Internal Medicine
- 1985
Honorary MemberSt. Paul Surgical Society
- 1985
MemberSt. Paul Surgical Society
- 1985 - present
OfficerUpper Midwest Regional Endoscopic Society
- 1985 - present
MemberUpper Midwest Regional Endoscopic Society
- 1981 - 1990
MemberAmerican Medical Association
- 1981 - 1983
MemberRamsey County Medical Society
- 1981 - 1983
MemberMinnesota Medical Association
- 1979 - present
MemberAmerican Gastroenterological Association
- 1976 - present
MemberAmerican College of Physicians
- 1975
MemberAlpha Omega Alpha, State University of New York Downstate Medical Center
- 1975
MemberState University of New York Downstate Medical Center
- 1972
PresidentAlpha Epsilon Delta (Premedical Honor Society), Villanova University
- 1971
TreasurerAlpha Epsilon Delta (Premedical Honor Society), Villanova University
- 1970 - 1972
MemberAlpha Epsilon Delta (Premedical Honor Society), Villanova University
- 1970 - 1972
MemberVillanova University
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Health Devices EvaluatorEmergency Care Research Institute
-
AdvisorNewton's Apple, Public Television
-
Founding MemberNOSCAR (NOTES) Committee, American Society for Gastrointestinal Endoscopy
-
DirectorITT Physician Board, American Society for Gastrointestinal Endoscopy
-
MemberFriends of the Boundary Waters Wilderness Canoe Country
-
MemberNational Audubon Society