- 2018 - 2021Scientific Advisory Group MemberAlzheimer's Association 
- 2018 - presentScientific Advisory BoardAdvarra IRB 
- 2017 - presentMemberPeripheral and Central Nervous System Drugs Advisory Committee, Food and Drug Administration 
- 2016 - 2018Chair Medical and Scientific Advisory CouncilAlzheimer's Association 
- 2015 - 2017Chair Medical Advisory CouncilAssociation for Frontotemporal Degeneration 
- 2003 - 2004PresidentTwin Cities Chapter, Alzheimer's Association 
- 1999 - 2002MemberScience Committee, American Academy of Neurology 
- 1999 - presentAbstract ReviewerAnnual Meeting, American Academy of Neurology 
- 1998 - 2006Ad Hoc ReviewerAlzheimer's Association 
- 1998 - 1999Topic ChairProgram Selection, Aging And Dementia Scientific Sessions, Annual Meeting 
- 1997 - 2004MemberBoard of Directors, Twin Cities Chapter, Alzheimer's Association 
- 1997 - presentFacultyEducational Course, Annual Meeting, American Academy of Neurology 
- 1996Ad Hoc ReviewerAlzheimers Association of Canada 
- 1994 - 1998DirectorDementia Course, Annual Meeting, American Academy of Neurology 
- 1994 - 1998LecturerDementia Course, Annual Meeting, American Academy of Neurology 
- 1994 - 1997MemberClinical Associates, University of Minnesota Medical School 
- 1994 - 1997MemberBoard of Directors, Clinical Associates, University of Minnesota Medical School 
- 1994 - 1996MemberHospital System, University of Minnesota Medical School 
- 1994 - 1996MemberBoard of Directors, Hospital System, University of Minnesota Medical School 
- 1994 - 1995FacultyEducational Course, Annual Meeting, American Academy of Neurology 
- 1994Abstract ReviewerAnnual Meeting, American Academy of Neurology 
- 1994Ad Hoc ReviewerAlzheimers Association of Canada 
- 1992Abstract ReviewerAnnual Meeting, American Academy of Neurology 
- 1991 - 1992DirectorEducational Course, Annual Meeting, American Academy of Neurology 
- 1990 - 1995MemberAnnual Meeting Committee, American Academy of Neurology 
- 1990 - 1994MemberBioethics Committee, University Hospital, University of Minnesota Medical School 
- 1988 - 1998ChairVulnerable Adults Committee, University Hospital, University of Minnesota Medical School 
- 1988 - 1998MemberVulnerable Adults Committee, University Hospital, University of Minnesota Medical School 
- 1986 - 1990MemberBehavioral Medicine Study Section, National Institutes of Health 
- 1983 - 1988MemberBoard of Directors, Twin Cities Chapter, Alzheimer's Association 
- 1972 - presentMemberPhi Beta Kappa Honor Society 
-  MemberAmerican Neurological Association