Josep Vidal obtained his medical degree from the University of Barcelona. He trained as resident in Endocrinology and Nutrition at Hospital Clínic of Barcelona. He obtained his Ph.D from the University of Barcelona in 1998 following the study of the genetic basis of type 2 diabetes mellitus. He completed his post-doctoral training at the University of Washington (Seattle, Washington, USA).
In 2001, Josep Vidal was appointed as attending physician at the Department of Endocrinology and Nutrition of the Hospital Clínic of Barcelona. He has been working at this Department ever since. Since 2005, Josep Vidal is acting as Head of the Obesity Unit. From 2010 to 2015, he served as Head of the Department of Endocrinology and Nutrition. He is currently the Director of Institute of Digestiv