- 2011 - presentMemberPractice Convergence Council, Mayo Clinic Clinical Practice Committee, Mayo Clinic Committees 
- 2011 - presentChairMayo Clinic Tagging and Tracking Subcommittee, Practice Convergence Council, Mayo Clinic Clinical Practice Committee 
- 2008 - 2010MemberMayo Clinic Marketing Committee, Mayo Clinic Committees 
- 2007 - presentChairFinance Executive Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 2007 - presentChairFinance Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 2007 - presentMemberPractice Management and Economics Committee, American Gastroenterological Association 
- 2005 - 2007Associate ChairFinance Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 2005 - presentMemberExecutive Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 2005 - presentMemberGI Integrated Finance Committee, Finance Committee, Division of Gastroenterology and Hepatology 
- 2003 - 2012Liaison PhysicianMayo Regional Health System Committee, Department of Internal Medicine 
- 2003 - 2007MemberMayo Outreach Oversight Committee, Outreach, Department of Internal Medicine 
- 2003 - presentBoard MemberHope Lodge, American Cancer Society 
- 2003 - presentMemberOlmsted County, American Cancer Society 
- 2001 - 2012MemberMayo Regional Health System Committee, Department of Internal Medicine 
- 1999 - presentMemberMinnesota Colorectal Cancer Consortium, Minnesota Department of Health 
- 1997 - presentMemberOncology, Abstract Selection Committee, American Gastroenterological Association 
- 1997 - 2000MemberAbstract Selection Committee, American Gastroenterological Association 
- 1995 - 2000MemberExecutive Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1995 - presentMemberPractice Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1994 - 2007ChairGI Outreach Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1994 - 2007MemberGI Outreach Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1994 - presentMemberInstitute for Clinical Systems Improvement 
- 1994 - presentMemberColorectal Cancer Screening Guidelines, Institute for Clinical Systems Improvement 
- 1991 - 2000MemberGI Training/GI Education Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1991 - 1996ChairRotation for Internal Medicine Residents, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1991 - 1996MemberRotation for Internal Medicine Residents, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1991 - 1996MemberEducation Committee, Department of Internal Medicine 
- 1991 - 1993MemberDevelopment Liaison Committee, Mayo Clinic Rochester Committees 
- 1991 - 1993MemberInternal Medicine Residency Task Force, Department of Internal Medicine 
- 1991 - 1992MemberPreventive Care Guidelines Task Force, Mayo Clinic Rochester Task Forces 
- 1990 - presentMemberAmerican Society for Gastrointestinal Endoscopy 
- 1990 - presentMemberAmerican College of Gastroenterology 
- 1989 - presentMemberAmerican Medical Association 
- 1989 - presentMemberMinnesota Medical Association 
- 1989 - presentMemberZumbro Valley Medical Society, Minnesota Medical Association 
- 1989 - presentMemberAmerican Gastroenterological Association 
- 1988 - 1989Fellows' RepresentativeEducation Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1988 - 1989MemberEducation Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine 
- 1988 - 1989MemberPharmacy and Therapeutics Subcommittee - Rochester, Clinical Practice Committee - Rochester 
- 1985 - 1986MemberLutheran Church Hospital, KarKar, Papua New Guinea