The article presents the occupational achievement of Tarek Mahdy, a professor of Endocrine and Metabolic Surgery in Mansoura Faculty of Medicine, Mansoura, Egypt. Topics discussed include the introduction of bariatric surgery by Mahdy, Mahdy's surgical residency training at Mansoura University Hospital, development of bipartition operations by Mahdy, and the development of the single anastomosis sleeve ileum bypass by Mahdy.