Keith Webster is a Consultant Oral & Maxillofacial Surgeon at University Hospital Birmingham and Senior Lecturer at the University of Birmingham. His main surgical interest is in the management of facial cancer.

Jatin P. Shah  is Professor of Surgery, at the Weil Medical College of Cornell University, and Chief of the Head and Neck Service, Leader of the Head and Neck Disease Management Team, and holds The Elliott W. Strong Chair in Head and Neck Oncology at Memorial Sloan-Kettering Cancer Center in New York City.

Carol Brayne is a medical epidemiologist and public health physician. As a Lecturer in epidemiology at Cambridge University she developed a research programme which concentrates on longitudinal studies of healthy and frail ageing. Her research also covers neuroepidemiological research at other ages.

Patrick Magennis is a consultant oral and maxillofacial surgeon working in Liverpool at the University Hospital Aintree. He upgraded the Liverpool Head and Neck Cancer Database in 1997 and has worked with the database user group over the last seven years to great some prize-winning research.

Professor Sir Ian Kennedy is Emeritus Professor of Health Law, Ethics and Policy at University College London. He is current Chair of the Healthcare Commission and former Chair of the Nuffield Council on Bioethics.  From 1998 to 2001 he chaired the Public Inquiry into children's heart surgery at Bristol Royal Infirmary.  He is a member of the Ministry of Defence Advisory Committee on Medical Countermeasures.

Professor Tobias qualified in medicine from Cambridge University and St Bartholomew's Hospital in 1971. After joint specialist training in medical and clinical oncology (at the Royal Marsden Hospital and Harvard Medical School) he became a Consultant in Clinical Oncology at UCH/Middlesex Hospitals (now part of the UCL Hospitals group) in 1981. His main interests are in clinical research into innovative treatment methods, especially in breast cancer, and in the ethical issues surrounding large-scale cancer trials. He was promoted to a personal Chair in Oncology at UCI Medical School in 2001.

Iain has been Consultant Oral & Maxillofacial Surgeon St Bartholomew's, The Royal London Hospital & Homerton Hospitals since 1989. Iain was appointed to a professorship in 2007. He founded the United Kingdom Oral Cancer Research Group. Iain has written for many publications and is in great demand as a lecturer and expert media commentator. He has been nominated for the 2008 Beacon Award for New Initiatives in charity.

Read more about Professor Hutchison

Professor Hutchison talks about facial surgery for TED

Lewis Wolpert is Emeritus Professor of Biology as Applied to Medicine in the Department of Anatomy and Developmental Biology of University College, London. His research interests are in the mechanisms involved in the development of the embryo.

Dr Walter Gilbert PhD is a renowned scientist who won the 1980 Nobel Prize for Chemistry for developing DNA sequencing technology. He has held professorships at Harvard University in the Departments of Physics, Biophysics, Biochemistry, and Biology, and since 1985, in Molecular and Cellular Biology. He is presently the Carl M. Loeb University Professor Emeritus.