Professor John Seymour AM is a clinical haematologist and the Director of the Haematology Department of the Peter MacCallum Cancer Centre & the Royal Melbourne Hospital.

He received his MB, BS degrees from the University of Melbourne in 1987, completed a translational research fellowship at the MD Anderson Cancer Center in Houston, and subsequently received their Distinguished Alumnus award in 2011. He also completed PhD studies in the pathobiology of haematopoietic growth factors at the Ludwig Institute for Cancer Research.

Professor Seymour is a member of several national and international scientific committees including Cancer Australia Advisory Groups, the Scientific Advisory Committee for the International Workshop on CLL, International Conference on Malignant Lymphoma, Medical Advisory Board of the Lymphoma Coalition, and the Board of Directors of the International Extranodal Lymphoma Study Group. He previously served as Associate Director of Clinical Research at the Peter MacCallum Cancer Centre and Chairman of the ALLG clinical trials group.

Professor Seymour has authored 20 book chapters, more than 600 peer reviewed publications (with more than 50,000 literature citations and h-index of 97), and over 900 conference abstracts. Actively involved in a broad range of collaborative research, Professor Seymour has been the principal investigator on more than 90 clinical trials predominantly in the domains of early drug development and the indolent lymphoproliferative disorders, especially CLL and follicular lymphoma.