Franco Cavalli MD FRCP is Director of the Oncology Institute of Southern Switzerland and Professor in Medical Oncology at the University of Bern, Switzerland and University of Varese, Italy. He is the Founder of the International Extranodal Lymphoma Study Group and the founding Editor of Annals of Oncology. He is the immediate past President of the International Union Against Cancer.Stan B Kaye BSc MD FRCP FMedSci is Cancer Research UK Professor of Medical Oncology, and Head of the Section of Medicine at the Institute of Cancer Research, London. He is also Head of the Drug Development Unit at The Royal Marsden Hospital, London, United Kingdom.Heine H Hansen MD FRCP is Professor of Medical… Oncology at the Finsen Center, National University Hospital, Copenhagen, Denmark and Professor of Clinical Oncology at the University of Copenhagen since 1991. He is also the past executive Director and President of the International Association for the Study of Lung Cancer and European Society of Medical Oncology.James O Armitage MD FRCP is The Joe Shapiro Professor of Internal Medicine, Section of Hematology & Oncology, at the University of Nebraska Medical Center, USA. He was President of the American Society of Clinical Oncology 1996-1997 and the President of the American Society for Blood and Marrow Transplantation 2000-2001.Martine Piccart-Gebhart MD PhD is Professor of Oncology at the Université Libre de Bruxelles and Director of the Medicine Department at the Institut Jules Bordet, Brussels, Belgium. She is a member of the American Society of Clinical Oncology board and the President of European Organisation for Research and Treatment of Cancer.