- 2016 - present
External Advisory Board MemberUniversity of Texas Health Science Center San Antonio Claude D. Pepper Older Americans Independence Center
- 2015 - present
MemberResearch Review Group
- 2015 - 2018
MemberNational Institutes of Health, National Institute on Aging, National Advisory Council on Aging
- 2015 - 2018
Board of DirectorsAmerican Federation for Aging Research (AFAR)
- 2015 - present
MemberMayo Clinic Research Committee
- 2014 - present
External AdvisorNational Institutes of Health, National Institute on Aging, National Advisory Council on Aging, Clinical Trials Advisory Panel (CTAP)
- 2012
ChairGordon Research Conference on the Biology of Aging
- 2012 - present
American Federation for Aging Research (AFAR)
- 2011 - 2014
Chair-ElectGerontological Society of America
- 2011 - 2014
Chair-ElectBiological Sciences Section, Gerontological Society of America
- 2011 - present
Board of Advisors, Dynacare Corporation
- 2011 - present
Scientific Advisory BoardEuropean Research Institute for the Biology of Ageing
- 2011 - present
Co-FounderCenexys/Unity
- 2011 - present
MemberGenSci Regeneration Sciences, Inc., Scientific Advisory Committee
- 2010 - present
Advisory Board MemberBuck Institute Geroscience External Advisory Board
- 2009 - present
External AdvisorNewcastle University Biomedical Research Centre in Ageing & Age Related Diseases
- 2008 - present
MemberExecutive Committee, Aging Theme, Mayo Clinic Research Committee
- 2008 - present
MemberResearch Return on Investments Subcommittee, Mayo Clinic Research Committee, Mayo Clinic Committees
- 2008 - present
Mayo Clinic RepresentativeAssociation of Directors of Geriatric Academic Programs
- 2008 - present
MemberEthics Committee, North American Association for the Study of Obesity
- 2008 - present
External Advisory Committee MemberUniversity of California Mitochondrial Longevity Program Project
- 2000 - 2007
ChairQualifying Examination Committee, Department of Medicine Graduate Program, Boston University
- 1998 - 2007
Co-FounderAdipoGenix Inc
- 1998 - 2007
Founders' Committee, AdipoGenix Inc
- 1997 - 2007
Executive Committee, Boston Obesity Nutrition Research Center
- 1995
MemberNational Institute of Health, National Institute of Aging, Claude D. Pepper Aging Centers Review Committee
- 1992 - 1994
ChairResearch Committee, University of Toronto
- 1992 - 1994
MemberManagement Council, Regional Geriatric Program, University of Toronto
- 1992 - 1994
MemberBoard of Governors' Planning Committee, University of Toronto
- 1992 - 1994
MemberCentral Service Area Management Committee, Regional Geriatric Program, University of Toronto
- 1992
MemberNational Institute of Health, National Institute of Aging, Claude D. Pepper Aging Centers Review Committee
- 1989 - 1994
MemberHealthy Elderly Project Team, Public Health Branch, Ontario Ministry of Health
- 1989 - 1994
MemberTask Force for Assessment of the Elderly, Public Health Branch, Ontario Ministry of Health
- 1989 - 1994
MemberContinuing Care Committee, Ontario Hospital Association
- 1989 - 1994
MemberBoard of Directors, Osteopharm Corporation
- 1989 - 1994
MemberQueen Elizabeth Hospital, Medical Advisory Committee
- 1985 - 1994
MemberQueen Elizabeth Hospital, Research Institute, Strategic Planning Committee
- 1985 - 1994
MemberQueen Elizabeth Hospital, Board of Governors' Planning Committee
- 1985 - 1994
MemberQueen Elizabeth Hospital, Research Institute, Board of Directors
- 1981 - present
MemberAmerican College of Physicians