- 2005 - 2006MemberEndocrine Training Support Committee, American Association of Clinical Endocrinologists 
- 2004 - 2008MemberSociety for Clinical Research Associates 
- 2004 - 2006MemberPersonnel Committee, Division of General Internal Medicine, Department of Internal Medicine 
- 2004 - presentMemberExecutive Committee, Division of General Internal Medicine, Department of Internal Medicine 
- 2004 - presentMemberFinance Committee, Division of General Internal Medicine, Department of Internal Medicine 
- 2004 - presentMemberOutpatient Nutrition Core Group, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine 
- 2003 - 2016MemberResearch Advisory Group, Department of Internal Medicine 
- 2003 - 2009ChairResearch Committee, Division of General Internal Medicine, Department of Internal Medicine 
- 2002 - 2004MemberFellows Training Committee, American Association of Clinical Endocrinologists 
- 2002 - 2003ChairResearch Task Force, Division of General Internal Medicine, Department of Internal Medicine 
- 2002 - presentMemberDivision of General Internal Medicine, Department of Internal Medicine 
- 2002 - presentMemberInternational Section Committee, Division of General Internal Medicine, Department of Internal Medicine 
- 2002 - presentMemberNational Lipid Association 
- 1999 - presentMemberNorth American Association for the Study of Obesity 
- 1998 - 2001MemberDiabetes Core Group, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine 
- 1998 - 2001MemberMedical Directors Committee, Mayo Clinic School of Health-Related Sciences, Mayo Clinic College of Medicine and Science 
- 1996 - 2001MemberHospital Nutrition Core Group, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine 
- 1996 - presentMemberThe Endocrine Society 
- 1995 - 1998MemberAmerican Association for the Advancement of Science 
- 1995 - 1998MemberAmerican Medical Association 
- 1995 - 1998MemberNew York Academy of Sciences 
- 1995 - 1998MemberSigma Xi, The Scientific Research Society 
- 1994 - presentMemberAmerican Association of Clinical Endocrinologists 
- 1993 - 1994MemberRhode Island Endocrine Association 
- 1993 - presentMemberMinnesota Medical Association 
- 1993 - presentMemberZumbro Valley Medical Society, Minnesota Medical Association 
- 1993 - presentMemberZumbro Valley Medical Society, Minnesota Medical Association 
-  Abstract Selection ReviewerFellows Training Committee, American Association of Clinical Endocrinologists 
-  Abstract JudgeEndocrine Training Support Committee, American Association of Clinical Endocrinologists 
-  Abstract ReviewerEndocrine Training Support Committee, American Association of Clinical Endocrinologists 
-  FACEAmerican Association of Clinical Endocrinologists