David Ritchie is a Professor, Department of Medicine and Sir Peter MacCallum Department of Oncology, University of Melbourne. Deputy Director of Clinical Haematology and Head of the BMT Service at the Royal Melbourne Hospital and Peter MacCallum Cancer Centre. Director, ACRF Translational Research Laboratory at Royal Melbourne Hospital. His clinical and translational research is on the immunology and immunotherapy of blood cancers and the immunology of new drug therapies in acute and chronic leukemias including HCL, myeloma and lymphoma, and the immunology of allogeneic transplantation and bone marrow failure. He has over 200 peer-reviewed publications, and presented his work at international meetings including ASH, EHA, EBMT, IWML and HAA. This current project seeks to understand the prognostic inter-relationship between the immunologic and genomic signatures in Hairy Cell Leukemia.