Martin completed his undergraduate training at the UMDS, Guys and St Thomas' Hospitals, University of London in 1991 and F1 rotations at Guys and Lewisham Hospitals during the following 12 months. He then moved to South Wales where he spent the next two years as a core trainee at the Princess of Wales Hospital, Bridgend. In mid-1994, he gained membership to the Royal College of Physicians of London. Later that year, he took up a research position at Guys Hospital and completed his MD thesis entitled,"The role of intestinal transit in the pathogenesis of octreotide-induced gallstones", awarded by the University of London in January 2001. He commenced Specialist Training in Gastroenterology and General Internal Medicine in the South East Thames Rotation in 1997. After two years at Greenwich District Hospital, he spent the next 18 months at Kings College Hospital working as the Registrar to the Liver Unit. He spent the next 12 months in Australia as a Medical Registrar at Gosford Hospital in Australia, before completing his training at St Thomas Hospital, London, in 2002. He migrated to Australia in 2003 with his family and have lived and worked on the Central Coast of NSW for Central Coast Local Health District and the University of Newcastle. He has significant experience in the management of the full range of gastroenterological, liver and general medical conditions. His clinical and research interests include medical education, molecular nutrition, colorectal cancer and luminal gastrointestinal disease.

 Having completed a MD research program in the UK between 1994 and 1997 and developed an international reputation as a bile acid researcher, Martin went to the University of Newcastle in 2003 after five years of clinical training with no active research activity.  During his time in Australia he assisted in the development of a completely novel research program with colleagues in the Nutrition, Food and Health Research Group at the Ourimbah Campus investigating the role of B and D vitamins in degenerative illnesses, specifically vascular disease and cancer. He has co-supervised, and currently has, a number of PhD students and a post-doctoral fellow working with him. More recently, he has been involved in the establishment of the Priority Research Centre for Neurogastroenterology and Digestive Health (http://www.newcastle.edu.au/research-and-innovation/centre/digestive-health-and-neurogastroenterology/about-us) at the University of Newcastle and the Australian Gastrointestinal Research Alliance http://www.newcastle.edu.au/research-and-innovation/centre/australian-gastrointestinal-research-alliance/about-us) (AGIRA) .  His medical education research interests include standard setting, assessment in PBL curricula, early clinical placement and the hidden curriculum.