- 2020 - presentMemberClinical Task Force, National Alzheimer's Coordinating Center, National Institute on Aging 
- 2020 - presentMemberConference Organizing Committee, International Society for Frontotemporal Dementias 
- 2019 - presentExecutive Committee MemberProfessional Interest Area: Frontotemporal Dementia and Related Disorders, International Society to Advance Alzheimer's Research and Treatment, Alzheimer's Association 
- 2019 - presentExecutive Committee MemberProfessional Interest Area: Lewy Body Dementias, International Society to Advance Alzheimer's Research and Treatment, Alzheimer's Association 
- 2019 - presentParticipantFrontotemporal Dementia Prevention Initiative 
- 2019 - presentMemberExecutive Committee, Frontotemporal Dementia Prevention Initiative 
- 2018 - presentChairLocal Organizing Committee, International Conference on Frontotemporal Dementia 
- 2017 - 2019PresidentInternational REM Sleep Behavior Disorder Study Group 
- 2017 - 2018MemberScientific Committee, International Conference on Frontotemporal Dementia 
- 2017 - presentChairCoordinating Center, Research Centers of Excellence (RCOE) Program, Lewy Body Dementia Association 
- 2016 - 2018ChairConference Site Selection Committee, International Conference on Frontotemporal Dementia 
- 2016 - presentMemberConference Site Selection Committee, International Conference on Frontotemporal Dementia 
- 2015 - 2016MemberOrganizing Committee, International Conference on Frontotemporal Dementia 
- 2014 - 2015MemberConference Organizing Committee, International REM Sleep Behavior Disorder Study Group 
- 2014 - 2015MemberOrganizing Committee, International Dementia with Lewy Bodies Conference 
- 2014 - presentMemberMayo Neurogenetics Interest Group, Department of Neurology 
- 2014 - presentMemberNeurology Executive Research Committee, Department of Neurology 
- 2013 - 2014MemberMayo Clinic Fresh Eyes Leadership Program 
- 2012 - 2013MemberOrganizing Committee, International Conference on Alzheimer's Disease, Alzheimer's Association 
- 2012 - presentMemberMayo Sports Related Head Injury Committee 
- 2012 - presentMemberInternational Society for Frontotemporal Dementias 
- 2011 - 2012MemberOrganizing Committee, International Conference on Alzheimer's Disease, Alzheimer's Association 
- 2011 - presentMemberInternational Society to Advance Alzheimer's Research and Treatment, Alzheimer's Association 
- 2010 - 2013MemberSubcommittee on Retired Players, Head, Neck & Spine Committee, National Football League 
- 2009 - 2011Board MemberMedical and Scientific Advisory Board, Minnesota Dakotas Chapter, Alzheimer's Association 
- 2009 - 2010MemberOrganizing Committee, International Conference on Frontotemporal Dementia 
- 2009 - presentMemberMovement Disorder Society 
- 2009 - presentParticipantInternational Conference on Frontotemporal Dementia 
- 2008 - presentMemberInternational REM Sleep Behavior Disorder Study Group 
- 2007 - 2015Project DirectorCohort #3, Cognitive Impairment Group, Mayo Clinic Quality Academy 
- 2007 - 2011ChairMedical Advisory Council, Association for Frontotemporal Degeneration 
- 2006 - presentEnterprise MemberMovement Disorders Subspecialty 
- 2006 - presentMemberAmerican Neurological Association 
- 2005 - presentMemberAssociation for Frontotemporal Degeneration 
- 2005 - presentMemberMedical Advisory Council, Association for Frontotemporal Degeneration 
- 2004 - presentMemberLewy Body Dementia Association 
- 2004 - presentMemberMedical Advisory Council, Lewy Body Dementia Association 
- 2003 - 2005MemberInternational Classification of Sleep Disorders - Parasomnia Nosology Revision Committee 
- 2002 - 2008MemberBoard of Directors, Minnesota Dakotas Chapter, Alzheimer's Association 
- 2001 - presentMemberSociety for Behavioral and Cognitive Neurology 
- 2000 - presentEnterprise ChairBehavioral Neurology Subspecialty 
- 2000 - presentMemberSleep Medicine Section, American Academy of Neurology 
- 1998 - 1999MemberCurriculum Committee, Department of Neurology 
- 1998 - presentMemberMinnesota Society of Neurological Sciences 
- 1997 - 2008MemberNorth Central Cancer Treatment Group 
- 1997 - 2002MemberTraumatic Brain Injury Committee, Mayo Clinic Rochester Committees 
- 1997 - presentMemberAmerican Academy of Sleep Medicine 
- 1994 - 1995Resident RepresentativeResidency Program, Department of Neurology 
- 1994 - 1995Neurology RepresentativeMayo Fellows Association, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine and Science 
- 1994 - 1995MemberEducation Committee, Department of Neurology 
- 1994 - 1995MemberResidency Program, Department of Neurology 
- 1994 - 1995MemberMayo Fellows Association, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine and Science 
- 1994 - presentMemberBehavioral Neurology Section, American Academy of Neurology 
- 1994 - presentMemberA.B. Baker Section on Neurological Education, American Academy of Neurology 
- 1993 - 1995Resident MemberRecruitment Committee, Department of Neurology 
- 1993 - 1995MemberResident Physician Section, American Medical Association 
- 1993 - 1995MemberAmerican Academy of Neurology Delegate, Resident Physician Section, American Medical Association 
- 1993 - presentMemberDepartment of Neurology 
- 1993 - presentMemberRecruitment Committee, Department of Neurology 
- 1992 - presentMemberAmerican Academy of Neurology 
- 1991 - presentMemberMinnesota Medical Association 
- 1991 - presentMemberZumbro Valley Medical Society, Minnesota Medical Association 
- 1990 - presentMemberAlpha Omega Alpha Honor Medical Society 
- 1987 - 1991MemberFlorida State Medical Association 
- 1987 - presentMemberAmerican Medical Association 
- 1985 - presentMemberGolden Key International Honour Society 
- 1985 - presentMemberPhi Kappa Phi Honor Society