Currently I am working as professor of surgery in the Department of Transplantation, Hepatobiliary & Pancreatic surgery. National Liver Institute, University of Minoufiya, Shibin El-Kom, Minoufiya, Egypt and i worked as Consultant, general surgery, hepatobiliary surgery in King Faisal hospital, Taif, KSA. I worked as specialist in general surgery in Alganzoury private hospital in Cairo, Egypt from 2008 to 2014( part time) I worked as consultant hepatopancreatobiliary and laparoscopic surgery in King Khaled hospital (General surgery and trauma hospital) in Hail in KSA for 6 months (Locum) from 2/ 2015 to 8/2015 I worked as consultant general surgery in Alnile hospital, Gherghada, Egypt from 3/2016 until 8/2016. Official university mail: emad.gad1@liver.menofia.edu.eg