Skip to main content

Sir William Castell

Sir William Castell

Senior Advisor

Areas of Focus:

  • BioPharma & Life Sciences

Prior Experience:

  • Wellcome Trust
  • Ondra LLP.
    Chairman and Partner
  • GE Healthcare Ltd.
    President and Chief Executive Officer
  • GE Healthcare Bio-Sciences Corp.
    President and Chief Executive Officer
  • General Electric Co.
    Executive Officer
  • Amersham plc
    Chief Executive Officer
  • Wellcome PLC
    Commercial Director; Head of Wellcome Biotechnology; Head of Finance and Administration for Continental Europe, Africa and Asia


  • Founding Chair of the Foundation for Future London
  • Chairman and Trustee of the Chichester Festival Theatre
  • Rainbow Medical Ltd. 
  • Chairman of the Prince's Trust
  • Syncona Partners LLP. Advisory Board
  • Honorary Fellow at Green College, University of Oxford, King’s College, and the University of Cardiff
  • Chairman of APBiotech LTD. (Previous)
  • Chairman of Amersham Biosciences Corporation (Previous)
  • Chairman and Vice Chairman of the Board of GE Healthcare Ltd (Previous)
  • Vice Chairman of General Electric Co.(Previous)
  • Trustee at London's Natural History Museum (Previous)
  • Ondra LLP. Advisory Board (Previous)
  • Marconi PLC. (Previous)
  • Chairman of APBiotech LTD.
  • Non-Executive and Senior Independent Director of Bp Plc (Previous)
  • Member of United Kingdom's Medical Research Council (Previous)
  • Board of the Institute of Life Sciences of University of Michigan (Previous)
  • Chairman of National Bureau of Asian Research (Previous)


  • B.A.
    City College of London