Mark graduated from Queen’s University Belfast in 1998 with a doctorate in Clinical Psychology. Prior to this he worked as a Research Psychologist at St George’s Hospital Medical School, University of London. Since June 2000, he has worked at Belfast City Hospital where he provides a clinical psychology service to people diagnosed with diabetes and other life threatening, disabling or chronic illnesses. He is actively involved in a number of research projects and has published widely. In addition, he provides supervision and training to a range of healthcare professionals both locally and nationally.