· Emeritus Professor of Internal Medicine and Nephrology, Faculty of medicine, Cairo University.
· Director of transplantation program at Cairo University Hospitals
· Past President of the Egyptian National Kidney Foundation
· Founder member and Vice president of the Egyptian Society of Organ Transplantation (ETS) 2013 – 2016
· President of the Egyptian Society of Organ Transplantation (ETS) 2017 – 2020
· Past President of the Egyptian Society of Nephrology and Transplantation (ESNT) 2015 - 2018
· Chair of stem cell therapy chapter of the ESNT President of the IFKF 2016 – 2018