- 2005 - present
MemberScientific Advisory Board, Aircast Foundation
- 2002 - 2003
PresidentAmerican Orthopaedic Association
- 2002 - present
Honorary FellowRoyal College of Surgeons of Edinburgh
- 2001
First Vice PresidentAmerican Orthopaedic Association
- 2000 - 2004
Vice ChairFinance Committee - Rochester, Mayo Clinic Rochester Committees
- 2000 - 2001
PresidentAmerican Shoulder and Elbow Surgeons
- 2000
Second Vice PresidentAmerican Orthopaedic Association
- 2000
Honorary MemberFrench Orthopaedic Society
- 1999 - 2004
Vice ChairAdministrative Committee of the Board of Governors, Board of Governors, Mayo Clinic Rochester Committees
- 1999 - present
ChairNominating Committee, American Academy of Orthopaedic Surgeons
- 1998 - 2004
MemberMayo Clinic Rochester - Executive Board, Mayo Clinic Rochester Committees
- 1998
MemberSelection Committee, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine and Science
- 1998 - present
ChairSupply Expense Management Committee - Mayo Clinic, Mayo Clinic Committees
- 1997 - 2009
ChairStrategic Support Group, Mayo Clinic Rochester Workgroups
- 1997 - 2009
Vice ChairAdministrative Committee, Mayo Clinic Rochester Committees
- 1997 - 2009
ChairExpense Management Group, Mayo Clinic Rochester Workgroups
- 1997 - 2005
MemberBoard of Governors, Mayo Clinic Rochester Committees
- 1997 - 2004
Vice ChairOperational Planning Group, Mayo Clinic Rochester Committees
- 1997 - 2004
MemberFinance Committee - Rochester, Mayo Clinic Rochester Committees
- 1997 - present
ChairStrategic Support Group, Mayo Clinic Rochester Workgroups
- 1997 - present
ChairFinancial Performance Enhancement Committee, Mayo Clinic Rochester Committees
- 1997 - present
Vice ChairAdministrative Committee, Mayo Clinic Rochester Committees
- 1997 - present
ChairExpense Management Group, Mayo Clinic Rochester Workgroups
- 1995 - 1997
MemberFDA Advisory Panel, American Academy of Orthopaedic Surgeons
- 1995 - 1996
ChairFinance Committee, American Academy of Orthopaedic Surgeons
- 1995
RefereeResident Day, Canadian Orthopaedic Association
- 1995 - present
MemberAmerican Association of Hip and Knee Surgeons
- 1995 - present
MemberFDA Device Forum, American Academy of Orthopaedic Surgeons
- 1994 - 1995
PresidentAmerican Academy of Orthopaedic Surgeons
- 1993
First Vice PresidentAmerican Academy of Orthopaedic Surgeons
- 1993
Associate EditorOrthopedic Knowledge Update - IV, Committee on Home Study, American Academy of Orthopaedic Surgeons
- 1993 - present
Founding MemberAmerican Institute for Medical and Biological Engineering
- 1993 - present
ConsultantFood and Drug Administration
- 1992
MemberEducation Committee, Mayo Medical School, Mayo Clinic College of Medicine and Science
- 1992
Honorary MemberSouth African Orthopedic Society
- 1992
Second Vice PresidentAmerican Academy of Orthopaedic Surgeons
- 1992 - present
MemberHip Society
- 1991 - 1993
MemberExecutive Committee, American Orthopaedic Association
- 1991 - 1992
MemberInternational Education Committee, Mayo Clinic Committees
- 1990 - 1992
MemberDevice Panel, Food and Drug Administration
- 1990
Associate EditorOrthopedic Knowledge Update - III, Committee on Home Study, American Academy of Orthopaedic Surgeons
- 1989
MemberExecutive Committee, American Orthopaedic Association
- 1988 - 1991
Secretary/TreasurerAmerican Shoulder and Elbow Surgeons
- 1987 - 1989
ChairInstitutional Review Board, Mayo Clinic Committees
- 1987 - 1989
ChairBioengineering Committee, American Academy of Orthopaedic Surgeons
- 1987 - 1988
MemberOfficers & Councilors of Staff - Rochester, Mayo Clinic Rochester Committees
- 1987 - present
MemberMinnesota Orthopaedic Society
- 1987 - present
MemberAmerican Orthopaedic Association
- 1986 - 1991
MemberKnee Committee, American Academy of Orthopaedic Surgeons
- 1986 - 1988
MemberResearch Committee, Mayo Clinic Rochester - Executive Board, Mayo Clinic Rochester Committees
- 1986 - 1988
MemberProgram Committee, American Academy of Orthopaedic Surgeons
- 1985
MemberBoard of Directors, American Academy of Orthopaedic Surgeons
- 1985 - present
Member-at-LargeBoard of Directors, American Academy of Orthopaedic Surgeons
- 1984 - 2009
ChairResearch Committee, Department of Orthopedic Surgery
- 1984 - 1988
ChairFellowship Program, Department of Orthopedic Surgery
- 1984 - 1986
MemberEmergency Care Committee, Department of Emergency Medicine
- 1984
MemberCanadian Orthopaedic Association
- 1984 - present
ChairResearch Committee, Department of Orthopedic Surgery
- 1984 - present
MemberMid-America Orthopaedic Association
- 1984 - present
MemberKnee Society
- 1984 - present
MemberProgram Committee, American Shoulder and Elbow Surgeons
- 1983 - 1989
MemberInstitutional Review Board, Mayo Clinic Committees
- 1983 - present
MemberAmerican Shoulder and Elbow Surgeons
- 1982 - 1989
MemberBioengineering Committee, American Academy of Orthopaedic Surgeons
- 1979 - present
MemberAmerican Academy of Orthopaedic Surgeons
- 1979 - present
MemberAmerican Orthopaedic Society for Sports Medicine
- 1979 - present
MemberInternational Association of Arthroscopy
- 1979 - present
MemberArthroscopy Association of North America
- 1978 - present
MemberSigma Xi, The Scientific Research Society
- 1978 - present
MemberSociety of Military Orthopaedic Surgeons
- 1974 - present
MemberOrthopaedic Research Society
- 1971 - present
MemberAlpha Omega Alpha Honor Medical Society
-
MemberMayo Foundation for Medical Education and Research
-
ConsultantPlayers Association, National Football League
-
MemberFinance Committee, American Orthopaedic Association