- 2010 - 2012
Associate Medical Director of DevelopmentDevelopment Committee, Mayo Clinic Rochester Committees
- 2007 - 2011
MemberFinance Committee, American Thyroid Association
- 2001 - present
FellowAmerican Climatological and Clinical Association
- 1996 - 2000
MemberDevelopment Committee, Mayo Clinic Rochester Committees
- 1995 - 1999
DirectorExecutive Committee, American Thyroid Association
- 1995 - present
FellowAmerican Association of Clinical Endocrinologists
- 1993 - 2012
MemberExecutive Committee, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine
- 1993 - 1997
DirectorThyroid Foundation of America
- 1993 - 1996
ChairFloor Practice, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine
- 1993 - 1995
MemberInternational Activities Committee, Mayo Clinic Rochester Committees
- 1993 - 1995
MemberNominating Committee, American Thyroid Association
- 1992 - 1993
ChairEducation Committee, American Thyroid Association
- 1991 - 1992
MemberTransportation Committee, Mayo Clinic Rochester Committees
- 1990 - present
FellowAmerican College of Endocrinology
- 1990 - present
Honorary MemberAmerican Association of Endocrine Surgeons
- 1990 - present
FellowAmerican College of Physicians
- 1988 - 1996
MemberPractice Committee, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine
- 1988 - 1993
ChairThyroid Core Group, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine
- 1986 - 1991
ChairThyroid Function Testing Committee, American Thyroid Association
- 1986 - 1988
MemberResearch Committee, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine
- 1985 - 1989
MemberResearch Committee, Department of Laboratory Medicine and Pathology
- 1983 - 2019
MemberThyroid Core Group, Division of Endocrinology, Diabetes, Metabolism, Nutrition, Department of Internal Medicine
- 1981 - 1983
SecretaryCaledonian Society for Endocrinology
- 1981 - present
MemberBritish Endocrine Societies
- 1981 - present
MemberCaledonian Society for Endocrinology
- 1980 - present
MemberSociety for Endocrinology
- 1980 - present
FellowRoyal College of Physicians of Edinburgh
- 1980 - present
FellowRoyal College of Physicians and Surgeons of Glasgow
- 1980 - present
Honorary FellowRoyal College of Physicians of Ireland
- 1978 - present
MemberThe Endocrine Society
- 1978 - present
MemberAmerican Thyroid Association
- 1976 - present
MemberEuropean Thyroid Association