Doctor Gonianakis is Board Member of the Greek Society of Endoscopic Surgery and other invasive techniques. He has published 26 scientific works.
He graduated from the Medical Faculty of the University of Craiova in Romania and completed his specialization in General Surgery.
He worked for two years at the University Surgical Clinic “Laiko” and three years at “Nimts” Hospital in Athens. He worked as a surgeon at the General Clinic, Asclepios, and at the Greek Social Security System (IKA) for three years. He has been Surgeon of Cretanmedicare since 1997.