Prof. Emeritus anesthesiology-Cairo University. Coordinator of the high committee of the Egyptian Board of health. Member of scientific council of anesthesia and intensive care- Arab board of health specialities. Member of scientific council and head of examination committee of Anesthesia and intensive care of Egyptian board of health. Past chair, Anesthesia staff promotion committee of Egyptian universities. Past board member, world federation of societies of anesthesiologists. Past chair, Pan Arab federation of societies of anesthesiologists. Past chair, Egyptian society of anesthesiologists. Past director, Egyptian chapter of the European diploma of anesthesia and intensive care.