Vassilios Papalois is Professor of Transplantation Surgery and Consultant Transplant and General Surgeon at the Hammersmith Hospital, Imperial College, London, UK. He leads a Transplant Centre of Excellence focusing on high risk and extended criteria kidney and pancreas transplantation. He has been active in surgical research for more than 20 years and has published 180 papers in peer review journals, 15 book chapters and 6 books. His research focuses on pre-transplant assessment and reconditioning of marginal kidney and pancreas grafts, use of stem cells for treatment of chronically scarred allografts, clinical ethics and health policy. He has been awarded, through competitive processes, more than £1,000.000 in research grants. He is Clinical Lead for Medico-Legal issues of the Imperial College Healthcare NHS Trust (ICHT), Chairs the Ethics Committee of the Avon and Somerset Constabulary and he is a member of the Research Ethics Committee of the UK Ministry of Defence. He is the Secretary General of the European Union of Medical Specialists (UEMS), the Secretary General of the European Society of Organ Transplantation (ESOT), a member of the Executive Board of the Association of Surgeons of Great Britain and Ireland (ASGBI) and a member of Council of the European Society of Surgery (ESS). Professor Papalois organises annually a series of advanced international courses on transplant training, clinical ethics and health policy and has given more than 100 lectures in international forums as an invited speaker. He has been awarded a Bronze National Award for Clinical Excellence by the UK Department of the Health, a Senior Clinical Investigator Award by the European Society for Organ Transplantation and a Teaching Excellence Award by Imperial College.