Mr Sakellariou qualified from the University College London. He carried out his orthopaedic training in and around London. He did his specialist foot and ankle training in Vancouver, Canada and the Mayo Clinic, Scottsdale, Arizona.
Mr Sakellariou teaches nationally and internationally on all aspects of foot and ankle surgery. He is on the Education Committee of the British Orthopaedic Foot and Ankle Society and he is the Associate Editor of Foot and Ankle International journal.