After graduating from Ain Shams Medical School in Cairo in 1981, Mr Marzouk completed his higher surgical training in London and North Thames.
During this period, he also undertook research at the Royal London Hospital into functional colorectal problems [incontinence & obstructed defaecation] affecting ileal & colonic reservoirs constructed for ulcerative colitis & cancer, for which he was awarded the Doctorate degree in Surgery from the University of London.
Mr Marzouk was appointed as a consultant surgeon in Egypt in 1993 & subsequently became a professor of Surgery at Ain Shams University, Cairo. Mr Marzouk has been a Consultant General & Colorectal Surgeon in East Kent NHS Trust since 1998 & was the trust lead colorectal surgeon for 6 years until 2008.
In 2005 his practice expanded to include Kent and Canterbury Hospital as well as the QEQM. He is a member of the Association of Coloproctology and Association of Laparoscopic Surgeons of Great Britain & Ireland.