Marc Evans (MB, BCh) is a consultant diabetologist at University Hospital Llandough in Cardiff, where he has been in post since 2003. Previously, he was a consultant diabetologist at University Hospital Llandough and the University Hospital of Wales, and a lecturer in diabetes and endocrinology at the University of Wales College of Medicine.

Dr Evans has a very active research interest, particularly in the fields of health economics, health outcomes, epidemiology and pharmacoepidemiology. He has published over 200 peer reviewed papers and abstracts across these fields and has also supported various Health Technology Assessment submissions for differing novel therapies across a variety of disease areas. He is currently editor in chief of Diabetes Therapy, a journal specifically focused on therapeutic issues in diabetes.