The team

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.
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 recently been appointed an Editor of Blood.  He has lectured across the world on new therapies for cancer treatment.

Dr Richard Kaczmarski graduated from King’s College Hospital Medical School, University of London in 1984. He trained in internal medicine at St Bartholomew’s Hospital and haematology training at King’s College Hospital where he held research posts funded by the Wellcome Trust and Medical Research Council. He completed specialist haematology training at Hammersmith Hospital.

He is currently Consultant Haematologist at Hillingdon Hospital in London, Honorary Senior Lecturer at Imperial College and Clinical Director of the West London Cancer Research Network.

His main interests are the diagnosis and treatment of patients with haematological malignancies (including acute and chronic leukaemias, myelodysplastic syndromes, lymphomas, myeloma and myeloproliferative disorders) and the investigation and management of anaemias, red cell disorders, coagulation and thrombotic problems and blood transfusion.

Dr Kaczmarski consults at The London Clinic on Fridays 10.00am – 5.00pm. Click here to make an appointment.

qualified as a doctor in 1981 at the Middlesex Hospital Medical School, London.  He trained in clinical haematology at King’s College Hospital London. He is a Consultant Haematologist and Clinical Director at The Hillingdon Hospital and Honorary Senior Lecturer at The Royal Free Hospital and Imperial College.  He is also a Clinical Tutor for the Royal College of Pathologists. He is an author of many peer review publications in the field of lymphoma, neutropenia, sepsis and haematooncology. 

Expertise:  General haematology, coagulation disorder, prothrombotic states and haematooncology.

Dr Mike Potter works at The London Clinic and the Royal Marsden Hospital.  He qualified in Medicine from Cambridge in 1981 and London University in 1984.  He trained in Internal Medicine and subsequently completed his specialist training in Haematology.  He has been a Consultant Haematologist for 13 years.  Dr Potter joined the Royal Marsden Hospital in 2004.  At the Royal Marsden Hospital he is the Programme Director for the Stem Cell Transplant Programme, which is currently the largest in the UK.

His main interests are in the care of patients with haematological malignancies, including leukaemias, lymphomas, myeloma, myelodysplasia and myeloproliferative disorders.  This includes the application of stem cell transplantation in treatment of these diseases.

He has published more than 100 research papers in peer reviewed journals.

Dr Mike Potter consults at The London Clinic on Wednesdays, 10.00am-5.00pm.