- 2012FellowAmerican Society of Nephrology 
- 2006 - 2010MemberMedical Advisory Committee, National Forum of ESRD Networks, End Stage Renal Disease (ESRD) Network 11 
- 2006 - 2007MemberTechnical Expert Panel for Mineral Metabolism, ESRD Quality Measures Panel, The Centers for Medicare and Medicaid Services, Under contract with Renal Network of the Upper Midwest (Renal Network 11) 
- 2005 - 2009Chief Medical Information OfficerMayo Clinic Health Systems 
- 2005 - 2009ChairMayo Clinic Health Systems, Electronic Medical Record Design and Implementation (ASYST) 
- 2004 - 2005Medical DirectorThe Centers for Medicare and Medicaid Services, Under contract with Renal Network of the Upper Midwest (Renal Network 11) 
- 2004 - 2005Co-ChairKidney Disease: Improving Global Outcomes (K-DIGO), Global Bone and Mineral Initiative of National Kidney Foundation (NKF), The Centers for Medicare and Medicaid Services, Under contract with Renal Network of the Upper Midwest (Renal Network 11) 
- 2003 - 2004MemberCinacalcet National Advisory Board, Amgen, Inc. 
- 2003MemberExecutive Nephrology Advisory Board, Shire Pharmaceuticals US, Inc. 
- 2002 - 2009ChairInformation Technology Integration Subcommittee, Mayo Clinic Health System 
- 2002 - 2009MemberBoard of Directors, Fairmont Clinic, Mayo Clinic Health System 
- 2002 - 2003MemberProgram Committee, National Meetings, Renal Physicians Association 
- 2001 - 2009MemberIntegrated Clinical Data Repository Committee, Mayo Clinic Health System 
- 2000 - 2009MemberScientific Advisory Board, NxSTAGE Medical, Inc. 
- 2000 - 2003MemberKidney Disease Outcome Quality Initiative (K-DOQI) for Bone Disease Work Group 
- 1999 - 2010MemberMCHS Board of Directors, Mayo Clinic Health System 
- 1999 - 2009Physician LiaisonMayo Clinic Health System in Mankato, Mayo Clinic Health System 
- 1999 - 2009MemberCore Goal Work Group, Mayo Clinic Health System 
- 1999 - presentMemberRegional Operations Committee, Mayo Clinic Health System 
- 1998 - 2009MemberBoard of Directors, Mayo Clinic Health System in Mankato, Mayo Clinic Health System 
- 1998 - 2002MemberClinical Practice Innovation Review Committee, Clinical Practice Committee - Rochester 
- 1998 - 2000MemberScientific Advisory Board, Minntech Corporation 
- 1997 - 1998Medical DirectorMayo Clinic Dialysis Services (all Mayo Clinic Health System Dialysis Facilities), Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1997 - 1998MemberInternal Medicine Hospital Practice Committee, Department of Internal Medicine 
- 1996 - 1998Medical DirectorNaeve Hospital Hemodialysis Unit, Mayo Clinic Health System in Albert Lea, Mayo Clinic Health System 
- 1996 - 1997ChairPatient-Carried History Task Force, Mayo Clinic Task Forces/Work Groups 
- 1996 - 1997ChairPatient-Carried History Task Force, Clinical Practice Committee - Rochester 
- 1996 - 1997MemberPatient-Carried History Task Force, Mayo Clinic Task Forces/Work Groups 
- 1996 - 1997PresidentExecutive Committee, End Stage Renal Disease (ESRD) Network 11 
- 1996Abstract ReviewerSubcommittee for Bone and Mineral Metabolism, Annual Meeting, American Society of Nephrology 
- 1996 - presentMemberPlummer Society (Internal Medicine), Mayo Alumni Association 
- 1994 - 1998ChairRochester Dialysis Quality Improvement Committee, Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1993 - 2014Medical DirectorHemodialysis Unit, Mayo Clinic Health System in Austin, Mayo Clinic Health System 
- 1993 - 1998MemberClinical Advisory Group, Electronic Medical Record Development, Orders and Scheduling Committee 
- 1993 - 1994Councilor Under 40Officers & Councilors of Staff - Rochester, Mayo Clinic Rochester Committees 
- 1992 - 1998MemberOrders and Scheduling Committee, Mayo Clinic Rochester Committees 
- 1992 - 1998MemberOrders Cycle Oversight Group, Electronic Medical Record Development, Orders and Scheduling Committee 
- 1992 - 1998MemberRevenue Systems Intermediary Group, Mayo Clinic Committees 
- 1992 - 1998RepresentativeNational Forum of ESRD Networks, End Stage Renal Disease (ESRD) Network 11 
- 1992 - 1996Medical DirectorWabasha (St. Elizabeth Hospital) Hemodialysis Unit, Mayo Clinic Health System in Lake City - Wabasha Clinic, Mayo Clinic Health System 
- 1992 - 1996Medical DirectorOwatonna Hemodialysis Unit, Mayo Clinic Health System in Owatonna, Mayo Clinic Health System 
- 1992 - 1994Grant ReviewerMinnesota Chapter, National Kidney Foundation 
- 1991 - 1998MemberCOBE/Gambro Medical Advisory Board for Health Care Renal Products 
- 1991 - 1993MemberDevelopment Liaison Committee, Mayo Clinic Rochester Committees 
- 1991 - 1993MemberDevelopment Liaison Committee, Mayo Clinic Committees 
- 1990 - 2014MemberEnd Stage Renal Disease (ESRD) Network 11 
- 1990 - 2011MemberUpper Midwest, Medical Review Committee, End Stage Renal Disease (ESRD) Network 7 
- 1990 - 2011MemberUpper Midwest, Medical Review Committee, End Stage Renal Disease (ESRD) Network 11 
- 1990 - 2011MemberExecutive Committee, End Stage Renal Disease (ESRD) Network 11 
- 1990 - 1995ChairMedical Review Committee, End Stage Renal Disease (ESRD) Network 11 
- 1989 - 1991PresidentMayo Nephrology Alumni Society, Mayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science 
- 1989 - 1991MemberQuality Assurance Committee, Department of Internal Medicine 
- 1988 - 2014MemberNational Kidney Foundation 
- 1988 - 1995MemberCentral Society for Clinical Research 
- 1988 - 1995MemberRenal Disease and Detoxification Committee, American Association for Medical Instrumentation 
- 1988 - 1990MemberEquipment and Disposable Products, Standardization Committee, Mayo Clinic Committees 
- 1988 - 1990MemberMedical Review Committee, End Stage Renal Disease (ESRD) Network 7 
- 1988 - 1990MemberRegional, Medical Review Committee, End Stage Renal Disease (ESRD) Network 7 
- 1988Abstract ReviewerSubcommittee for Hemodialysis, Annual Meeting, American Society of Nephrology 
- 1988 - presentFellowAmerican College of Physicians 
- 1988 - presentMemberRenal Physicians Association 
- 1987 - 1998Medical DirectorRochester Dialysis Unit, Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1987 - 1998Vice ChairDivision of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1987 - 1998Medical DirectorSaint Marys Hospital and Rochester Methodist Hospital Inpatient Dialysis Services, Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1987 - 1998ChairPractice Committee, Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1987 - 1998ChairDialysis Committee, Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1987 - 1998MemberInternal Medicine Practice Committee, Department of Internal Medicine 
- 1987 - 1995MemberMayo Graduate Faculty in Biomedical Sciences, Mayo Graduate School of Medicine, Mayo Clinic College of Medicine and Science 
- 1985 - 2014MemberDialysis and Renal Transplant Committee, Mayo Clinic Committees 
- 1985 - 1990Grant ReviewerMinnesota Chapter, National Kidney Foundation 
- 1985 - 1990MemberMedical Advisory Board, Minnesota Chapter, National Kidney Foundation 
- 1985 - 1988MemberFirst Year Curriculum Committee, Mayo Medical School, Mayo Clinic College of Medicine and Science 
- 1985 - 1987MemberContinuing Medical Education Subcommittee, Department of Internal Medicine 
- 1985 - 1987MemberEducation Committee, Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1985 - 1987MemberResearch Committee, Division of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1985 - 1987MemberSubcommittee on Continuing Medical Education, Department of Internal Medicine 
- 1985MemberKendall-Balfour Awards Selection Committee, Mayo Clinic Rochester Committees 
- 1983 - 2014MemberDivision of Nephrology & Internal Medicine, Department of Internal Medicine 
- 1983 - presentMemberMayo Alumni Association 
-  MemberDepartment of Education Administration 
-  MemberMayo Group Practices 
-  MemberMayo Clinic Information Technology Committee, Mayo Clinic Committees 
-  MemberInternational Society of Nephrology 
-  MemberMedical Alumni Association, University of Kansas 
-  MemberSigma Xi, The Scientific Research Society 
-  MemberRegional, Medical Review Committee, End Stage Renal Disease (ESRD) Network 11 
-  MemberNational, Medical Review Committee, End Stage Renal Disease (ESRD) Network 11 
-  MemberRegional, End Stage Renal Disease (ESRD) Network 11 
-  MemberUpper Midwest, End Stage Renal Disease (ESRD) Network 11 
-  MemberNational, End Stage Renal Disease (ESRD) Network 11 
-  MemberRegional, Executive Committee, End Stage Renal Disease (ESRD) Network 11 
-  MemberUpper Midwest, Executive Committee, End Stage Renal Disease (ESRD) Network 11 
-  MemberNational, Executive Committee, End Stage Renal Disease (ESRD) Network 11