Kathryn Nicholson Perry works at the Pain Management and Research Centre of the University of Sydney at Royal North Shore Hospital and offers training through her organization Stimuli Systems. She has previously worked in the HIV Mental Health Team at the Maudsley Hospital, and both the Richard Dimbleby Cancer Information and Support Service and INPUT Pain Management Unit at Guy's and St Thomas' Hospital Trust in London.Mary Burgess is Consultant Clinical Psychologist and Head of Psycho-oncology Services at University College London Hospitals. She has previously worked at King's College Hospital and the Maudsley Hospital, where she was responsible for establishing the HIV Mental Health Team. She has also worked as a consultant for a number of leading corporations and served as national clinical supervisor for one of the UK's largest Employee Assistance Programmes.