James Lorenzen Boyer MD

Ensign Professor of Medicine (Digestive Diseases); Emeritus Director, Yale Liver Center

Biographical Info

Dr. James L. Boyer is the Ensign Professor of Medicine and Emeritus Director of the Liver Center at Yale University School of Medicine. He is a graduate of Haverford College (1958) and the Johns Hopkins University School of Medicine (1962). From 1982 until 1996 he directed a combined Digestive Disease Section in the Department of Medicine. He was the founding Director of the NIDDK funded Liver Center at Yale since 1984. and former Director of the NIEHS Center for Membrane Toxicity Studies at the Mt Desert Island Biological Laboratory in Salsbury Cove, ME where he was also Chairman of their Board of Trustees from 1995 to 2003 and again from 2011-2013. He is also past Chair, Board of Directors of the American Liver Foundation and a current member of Board of Mangers of Haverford College. Dr. Boyer has a broad interest in all aspects of basic and clinical hepatology. His laboratory's major efforts have been the study of mechanisms of bile formation and cholestasis , currently supported by a MERIT award from NIDDK. He is a member of the AASLD, ASCI, AAP,APS and ACCA and past president of both the American and the International Association for the Study of Liver Disease. He is the recipient of Distinguished Achievement Awards from the AGA, AASLD and American Liver Foundation.

International Activity

  • Bile formation
    Thailand; Switzerland; Italy; Netherlands; Austria; Germany(2008)
    Dr. Boyer collaborates with numerous researchers on projects related to the cellular and molecular mechanisms of bile formation and mechanisms of liver injury that lead to impairment of this important physiologic process. He has been engaged in this NIH funded work for the past 30 years.

Education & Training

Johns Hopkins University (1962)
New York Hospital, Internal Medicine (1962 - 1964)
YaleNew Haven Hospital
Yale University School of Medicine, Hepatology (1967 - 1969)
Board Certification
Internal Medicine, Board Certified  (1969)

Honors & Recognition

  • Adolf-Windaus Prize
    Falk Foundation (06'09/1988)
  • Distinguished Achievement Award
    American Gastroenterology Association (1989)
  • Ensign Professorship
    Yale University (1996)
  • Spinoza Profesesorship
    University of Amsterdam, the Netherlands (2009)
  • Ismar-Boas Medal
    German Society of Gastroenterology and Metabolism (1996)
  • Distinguished Achievement Award
    American Association for the Study of the Liver (1998)
  • Distinguished Scientific Achievement Award
    American Liver foundation (1999)
  • NIH MERIT Award
    National Institutes of Health (2008)

Professional Service

  • past board member, and board chair current medical Advisory Committee for CT chapter, American Liver Foundation (1976 - current)
  • Member, Board of Managers, Haverford College (10/02/2009 - 04/15/2013)
  • Board member and immediate past Board Chair, Mt Desert Island Biological Laboratory (07/23/1995 - 07/20/2013)

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