- 2007 - present
PresidentAmerican Gastroenterological Association
- 2005 - present
Vice PresidentGoverning Board, American Gastroenterological Association
- 2005
Vice PresidentAmerican Gastroenterological Association
- 2004 - 2005
MemberFutures Committee, American Gastroenterological Association
- 2004
MasterAmerican College of Physicians
- 2004
ChairFutures Committee, American Gastroenterological Association
- 2004
MemberLeadership Committee, American Gastroenterological Association
- 2004
MemberScientific Advisory Committee, The Morgan Foundation for the Study of PSC
- 2004 - present
MemberHepatobiliary Pathophysiology Study Section, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health
- 2003
MemberFoundation Corporate Gift Committee, American Gastroenterological Association
- 2002
FellowAmerican College of Physicians
- 2002
MemberGoverning Board, American Gastroenterological Association
- 2002 - present
MemberAmerican College of Physicians
- 2001
Chair and OrganizerAnnual Single Topic Research Conference, American Association for the Study of Liver Diseases
- 2001
MemberAnnual Single Topic Research Conference, American Association for the Study of Liver Diseases
- 2001
MemberCommittee on Publications and Informatics, American Gastroenterological Association
- 2001
MemberNominating Committee, American Clinical and Climatological Association
- 2001
MemberSingle Topic Research Conference (The Pathobiology of Biliary Epithelia), American Association for the Study of Liver Diseases
- 2001 - present
MemberBoard of Directors, Office of Intellectual Property (formerly Mayo Medical Ventures)
- 2000
ChairPublications Committee, Association of Professors of Medicine
- 2000
MemberBoard of Directors, Association of Professors of Medicine
- 2000
MemberSingle Topic Research Conference (Primary Sclerosing Cholangitis: Consensus and Controversies), American Association for the Study of Liver Diseases
- 2000 - present
MemberMayo Clinic Chapter, Sigma Xi, The Scientific Research Society
- 1999
MemberPublications Committee, Association of Professors of Medicine
- 1999 - present
ChairDepartment of Internal Medicine
- 1999 - present
MemberAssociation of Professors of Medicine
- 1998
MemberClinical Investigator Evaluation Task Force, Institutional Research Committee, Mayo Clinic Committees
- 1998
MemberPractice Integration Work Group, Mayo Clinic Task Forces/Work Groups
- 1998
MemberAdvisory Committee, Digestive Diseases Interagency Coordinating Committee, National Institutes of Health
- 1997 - 1999
MemberFinance Committee, Department of Internal Medicine
- 1997 - 1999
Vice ChairDepartment of Internal Medicine
- 1997 - 1998
ChairInstitutional Task Force on Centers, Mayo Clinic Task Forces/Work Groups
- 1997 - 1998
MemberPolicy Task Force on Scientific Integrity in Research and Publications, Mayo Clinic Task Forces/Work Groups
- 1997 - 1998
MemberInstitutional Task Force on Centers, Mayo Clinic Task Forces/Work Groups
- 1997
MemberPersonnel Committee - Rochester, Mayo Clinic Rochester Committees
- 1997
MemberAdministrative Committee of the Board of Governors, Board of Governors, Mayo Clinic Rochester Committees
- 1997
MemberSearch Committee for the Director of the Division of Gastroenterology, The Johns Hopkins University School of Medicine
- 1996 - 2001
MemberPresidents National Advisory Council, New York Medical College
- 1996 - 1998
MemberInstitutional National Strategies Committee, Mayo Clinic Committees
- 1996 - 1998
MemberGoverning Board, Federated Societies of Gastroenterology and Hepatology
- 1996 - 1998
MemberBoard of Directors, American Digestive Health Foundation
- 1996 - 1997
PresidentAmerican Association for the Study of Liver Diseases
- 1996
MemberClinical Investigator Evaluation Task Force, Institutional Research Committee, Mayo Clinic Committees
- 1996
External ConsultantLiver Center, University of California, San Francisco
- 1996
MemberLiver Center, University of California, San Francisco
- 1996
MemberAnnual Post-graduate Course (Diseases of the Bile Ducts: Pathogenesis, Pathology and Practice), American Association for the Study of Liver Diseases
- 1995 - 1996
President-ElectAmerican Association for the Study of Liver Diseases
- 1994
ReviewerJohn Sealy Memorial Endowment Fund for Biomedical Research, Medical Branch, University of Texas, Galveston
- 1994
MemberJohn Sealy Memorial Endowment Fund for Biomedical Research, Medical Branch, University of Texas, Galveston
- 1994
MemberAnnual Single Topic Research Conference (The Pathobiology of Biliary Epithelia), American Association for the Study of Liver Diseases
- 1994 - present
FounderCholangiopathy Interest Group, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1994 - present
MemberCholangiopathy Interest Group, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1993 - 2001
MemberExtramural Advisory Committee, Liver Research Core Center, Yale University School of Medicine
- 1993 - present
MemberItalian Society of Gastroenterology
- 1992 - 2000
MemberGoverning Board, American Association for the Study of Liver Diseases
- 1992
MemberClinical Investigator Evaluation Task Force, Institutional Research Committee, Mayo Clinic Committees
- 1991 - 1993
MemberCommittee on Career Paths for Clinical Research, Institute of Medicine, National Academy of Sciences
- 1991 - 1993
MemberNational Board of Visitors, New York Medical College
- 1991
MemberItalian Liver Foundation
- 1990 - 2002
DirectorCenter for Basic Research in Digestive Diseases
- 1990 - 1999
ChairDivision of Gastroenterology and Hepatology, Department of Internal Medicine
- 1990
MemberAnnual Research Workshop (The Pathobiology of Biliary Epithelia), American Association for the Study of Liver Diseases
- 1990 - present
MemberInstitutional Research Committee, Mayo Clinic Committees
- 1990 - present
MemberCenter for Basic Research in Digestive Diseases
- 1990 - present
MemberReviewers Reserve, National Institutes of Health
- 1989 - 1993
ChairSteering Committee, Cell Biology Interest Group, Mayo Clinic Committees
- 1989 - 1993
MemberCell Biology Interest Group, Mayo Clinic Committees
- 1989 - 1993
MemberSteering Committee, Cell Biology Interest Group, Mayo Clinic Committees
- 1989 - 1990
MemberIndustry/Scholar Award Selection Committee, American Gastroenterological Association
- 1989
FounderCell Biology Interest Group, Mayo Clinic Committees
- 1989 - present
MemberAssociation of American Physicians
- 1989 - present
MemberAmerican Clinical and Climatological Association
- 1988 - 1990
ChairResearch Committee, American Gastroenterological Association
- 1988 - 1990
MemberGoverning Board, American Gastroenterological Association
- 1988 - 1990
MemberSteering Committee, Gastroenterology Research Group
- 1988 - 1990
MemberPublic Policy Committee, American Gastroenterological Association
- 1988
MemberAnnual Graduate Course (Diagnosis and Management of Diseases of the Biliary Tract), American Gastroenterological Association
- 1987 - 1999
MemberAdministrative Committee, Department of Internal Medicine
- 1987 - 1990
MemberResearch Committee, American Association for the Study of Liver Diseases
- 1987 - 1990
Vice Chair for ResearchDepartment of Internal Medicine
- 1987 - 1990
MemberExecutive Committee, Department of Internal Medicine
- 1987 - 1989
ChairGrants Review Committee, American Liver Foundation
- 1987 - 1989
MemberBoard of Directors, American Liver Foundation
- 1987
MemberNominating Committee, American Gastroenterological Association
- 1987 - present
MemberDepartment of Internal Medicine
- 1986 - 1990
MemberGI Subspecialty Training Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1986 - 1990
ChairExtramural Advisory Committee, Liver Research Core Center, University of Minnesota Medical School
- 1986 - 1990
MemberGeneral Medicine A-2 Study Section, Gastroenterology and Clinical Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health
- 1986 - 1990
MemberExtramural Advisory Committee, Liver Research Core Center, University of Minnesota Medical School
- 1986 - 1990
MemberResearch Committee, American Gastroenterological Association
- 1986
ChairScientific Awards Selection Committee, Mayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science
- 1986
MemberScientific Awards Selection Committee, Mayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science
- 1985 - present
MemberGastroenterology Research Group
- 1984 - 1989
MemberAmerican Liver Foundation
- 1984 - 1989
MemberGrants Review Committee, American Liver Foundation
- 1984 - 1986
Vice ChairInstitutional Review Board, Mayo Clinic Committees
- 1984 - 1985
MemberInstitutional Steering Committee on Liver Transplantation, Institutional Dialysis and Transplant Committee, Mayo Clinic Committees
- 1984 - 1985
MemberNominating Committee, American Association for the Study of Liver Diseases
- 1984 - present
MemberAmerican Society for Clinical Investigation
- 1983 - 1990
Co-DirectorAdvanced Hepatology Training Program, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine and Science
- 1983 - 1990
MemberAdvanced Hepatology Training Program, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine and Science
- 1983 - 1986
MemberInstitutional Review Board, Mayo Clinic Committees
- 1982 - 1985
MemberResearch Committee, American Association for the Study of Liver Diseases
- 1982 - present
MemberAmerican Society for Cell Biology
- 1980 - 1981
MemberResearch Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1980
Ad Hoc MemberBiomedical Research Review Committee, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health
- 1980
MemberBiomedical Research Review Committee, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health
- 1980 - present
MemberInternational Association for the Study of the Liver
- 1979 - 1982
MemberCentral Society for Clinical Research
- 1979 - 1982
MemberTraining and Education/Education Committee, American Association for the Study of Liver Diseases
- 1979
ChairAnnual Meeting Scientific Program, Mayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science
- 1979
MemberAnnual Meeting Scientific Program, Mayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science
- 1978 - 1985
MemberMidwest Gut Club
- 1977 - 1982
MemberSigma Xi, The Scientific Research Society
- 1977
ConsultantGastrointestinal Drugs Advisory Committee, Food and Drug Administration
- 1977
MemberHarvey Society
- 1977
MemberGastrointestinal Drugs Advisory Committee, Food and Drug Administration
- 1977 - present
MemberMayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science, Department of Education Administration
- 1977 - present
MemberDivision of Gastroenterology and Hepatology, Department of Internal Medicine
- 1976 - 1988
MemberAmerican Federation for Clinical Research
- 1976 - present
MemberAmerican Gastroenterological Association
- 1975 - 1977
MemberNew York Lipid Research Club
- 1975 - present
MemberAmerican Association for the Study of Liver Diseases
- 1973 - 1974
MemberResidency Review Committee, Education Committee, Mayo Graduate School of Medicine
- 1972 - 1973
MemberEducation Committee, Mayo Graduate School of Medicine, Mayo Clinic College of Medicine and Science
- 1972 - 1973
MemberMethods of Training in Internal Medicine Committee, Education Committee, Mayo Graduate School of Medicine
-
MemberFinance Committee - Rochester, Mayo Clinic Rochester Committees
-
Chair and OrganizerAnnual Single Topic Research Conference (The Pathobiology of Biliary Epithelia), American Association for the Study of Liver Diseases
-
Chair and OrganizerAnnual Research Workshop (The Pathobiology of Biliary Epithelia), American Association for the Study of Liver Diseases
-
DirectorAnnual Post-graduate Course (Diseases of the Bile Ducts: Pathogenesis, Pathology and Practice), American Association for the Study of Liver Diseases
-
Co-DirectorSingle Topic Research Conference (Primary Sclerosing Cholangitis: Consensus and Controversies), American Association for the Study of Liver Diseases
-
Chair and OrganizerSingle Topic Research Conference (The Pathobiology of Biliary Epithelia), American Association for the Study of Liver Diseases
-
DirectorAnnual Graduate Course (Diagnosis and Management of Diseases of the Biliary Tract), American Gastroenterological Association
-
External ConsultantSearch Committee for the Director of the Division of Gastroenterology, The Johns Hopkins University School of Medicine
-
MemberLeadership Cabinet, American Gastroenterological Association