Marwan El Ghoch is a clinical expert and senior researcher in eating disorders treatment currently working at the department of Eating and Weight Disorders in Villa Garda Hospital – Italy. He developed an international leadership in the body composition and energy expenditure research in patients with anorexia nervosa, that led in the last decade to the understanding of important features as body fat, lean and bone mass, resting energy and physical activity expenditure before and after weight restoration in this population. The Expertscape (http://www.expertscape.com) is an American agency, that continuously monitors the publications and citations that have appeared over the last 10 years on the main international scientific journals. Recently this agency released its updated ranking for anorexia nervosa, and the Lebanese researcher was ranked 61 out of nearly 5000 eminent researchers from highly ranked universities as Harvard, Oxford, and Columbia (http://www.expertscape.com/ex/anorexia+nervosa). Effective September 2018, Prof. Marwan El Ghoch will join the Faculty of Health Sciences at Beirut Arab University as Head of the Nutrition and Dietetics Department. He dedicates this achievement to Lebanon and all the team of Beirut Arab University.