The London Clinic


  • Haematology
  • Oncology

Sub specialties

  • Lymphoma
  • Chronic lymphocytic leukaemia
  • Bone marrow transplantation

Professional profile

Professor John Gribben graduated from the University of Glasgow in 1980. He subsequently trained in Haematology at University College London and in Medical Oncology at the Dana-Farber Cancer Institute, Harvard Medical School, where he remained on the faculty for 17 years before returning to the UK. He specialises in haematological cancers including lymphomas, leukaemias and bone marrow transplantation.

His NHS post is as Consultant Haematologist and Medical Oncologist Barts and The London NHS Trust.
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He is the author of more than 300 articles and chapters in peer-reviewed publications and has a global reputation for his work in researching new drugs and forms of cancer treatment. He has grant funding from The National Cancer Institute and Cancer Research UK for pioneering studies in leukaemia and lymphoma.

He has sat on and chaired numerous international executive committees dedicated to investigating new approaches to cancer care, and several of the editorial boards for professional publications which are focused on cancer. He has lectured across the world on new therapies for cancer treatment.

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Part of


Current posts

  • Professor and Consultant Medical Oncologist
    Barts and The London NHS Trust
  • Professor of Experimental Cancer Medicine
    Barts and The London School of Medicine, Queen Mary Universiry of London

Medical training

  • University of Glasgow
  • University College London
  • Harvard Medical School
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Clinic location

22 Devonshire Place
London W1G 6JA
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Clinic times

Monday: 10am - 5pm