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Tachi Yamada

  • Researcher and Chief Medical Officer
  • Chief Medical and Scientific Officer
  • Takeda Pharmaceuticals


    As chief medical and scientific offer at Toyko-based Takeda Pharmaceuticals, Dr. Tadataka “Tachi” Yamada maintains a high level of expertise in the area of medical research development. An active contributor to the advancement of knowledge in his field, he edits the Textbook of Gastroenterology and has ties with a number of professional organizations, including the National Academy of Science and the Academy of Medical Sciences. As a testament to his efforts, Dr. Tachi Yamada has received a number of awards and commendations throughout his career. Among others, he was named a Knight Commander of the Most Excellent Order of the British Empire and received the Friedenwald Medal from the American Gastroenterological Association. When not engaged with his work and research, Dr. Tadataka Yamada takes part in a number of hobbies and pastimes, including hiking and golfing. Furthermore, he enjoys expanding his cultural horizons by attending cultural events such as ballets and operas.

    Professional experience

    Chief Medical and Scientific Officer

    Takeda Pharmaceuticals

    June 2011 - Present

    President, Global Health Program

    Bill &Melinda Gates Foundation

    June 2006 - June 2011(5 years)

    Chairman, Research and Development


    February 1996 - June 2006(10 years)



    Stanford University

    September 1963 - June 1967(4 years)