- 2007 - presentChairChristian Medical and Dental Association 
- 2004 - presentMemberAmerican Psychosocial Oncology Society 
- 2003 - presentMemberAmerican Academy of Hospice and Palliative Medicine 
- 2002 - presentMemberNorth Central Cancer Treatment Group, Mayo Clinic Cancer Center - Rochester, Mayo Clinic Cancer Center 
- 2001 - presentMemberPsychiatry Section, Christian Medical and Dental Association 
- 2000 - presentMemberPalliative Care Task Force, Mayo Clinic Rochester Task Forces 
- 1998 - presentMemberAmerican Academy of Sleep Medicine 
- 1997ChairBlackmun Program Committee, Humanities in Medicine - Mayo Clinic, Mayo Clinic Education Committee 
- 1997 - 2002ChairHumanities in Medicine - Mayo Clinic, Mayo Clinic Education Committee, Mayo Clinic Committees 
- 1997 - presentExaminerAmerican Board of Psychiatry and Neurology 
- 1996 - 2001MemberTraumatic Brain Injury Multispecialty Committee, Mayo Clinic Rochester Committees 
- 1996 - presentMemberAmerican Association for Geriatric Psychiatry 
- 1993 - 1996ChairAccreditation Committee, American Sleep Disorders Association 
- 1992FellowAmerican Psychiatric Association 
- 1991 - 2002MemberHumanities in Medicine - Mayo Clinic, Mayo Clinic Education Committee, Mayo Clinic Committees 
- 1991 - 1993ChairNorth Central Region, Accreditation Committee, American Sleep Disorders Association 
- 1991FellowAcademy of Psychosomatic Medicine 
- 1990 - 1998MemberExecutive Committee, Department of Psychiatry & Psychology 
- 1990 - 1994MemberPsychiatric Disease Advisory Panel, United States Pharmacopeial Convention 
- 1990MemberEthics Committee, Minnesota Psychiatric Association, American Psychiatric Association 
- 1989DelegateState Meeting, Minnesota Medical Association 
- 1989 - 1992MemberExecutive Committee, Zumbro Valley Medical Society, Minnesota Medical Association 
- 1989 - 1991Co-ChairNorth Central Region, Accreditation Committee, American Sleep Disorders Association 
- 1988 - 1990ChairCommittee on Religion, Medicine and Bioethics, Zumbro Valley Medical Society, Minnesota Medical Association 
- 1987 - 1989MemberTraumatic Brain Injury Multispecialty Committee, Mayo Clinic Rochester Committees 
- 1987 - 1989MemberOutpatient Treatment Subcommittee, Traumatic Brain Injury Multispecialty Committee, Mayo Clinic Rochester Committees 
- 1986MemberSigma Xi, The Scientific Research Society 
- 1985Clinical ExaminerBoard of Registered Polysomnography Technologists 
- 1981 - 1990MemberHemophilia Steering Committee, Division of Hematology, Department of Internal Medicine 
- 1981 - 1989ChairUndergraduate Education Committee, Department of Psychiatry & Psychology 
- 1981 - 1984MemberSteering Committee, Therapeutic Donor Insemination Program, Department of Obstetrics & Gynecology 
- 1981 - 1983MemberMedicine and Medical Specialties Committee, MMS II through MMS IV, Mayo Medical School 
- 1981 - presentMemberAmerican Medical Association 
- 1980MemberCommittee on Alcohol and Drug Abuse, Zumbro Valley Medical Society, Minnesota Medical Association 
- 1979 - 1989MemberUndergraduate Education Committee, Department of Psychiatry & Psychology 
- 1977 - 1978Resident MemberGraduate Education Committee, Department of Psychiatry & Psychology 
-  Site VisitorAssociation of Sleep Disorders Centers 
-  MemberAmerican College of Physicians 
-  MemberAssociated Professional Sleep Societies 
-  MemberClinical Sleep Society 
-  MemberAssociation for Academic Psychiatry 
-  MemberAssociation of Directors of Medical Student Education in Psychiatry 
-  MemberThe American Scientific Affiliation 
-  MemberAssociation of Medicine and Psychiatry 
-  MemberAssociation for Convulsive Therapy