He came to the UK after qualifying in Greece and underwent basic surgical training in the London SW Thames region. After passing his FRCS in 1994 he undertook research, which was awarded with a PhD, at the Robert Jones & Agnes Hunt Orthopaedic Hospital in Oswestry, with Professor J.B Richardson.
Upon completion of his research he joined the North West Rotation where he received his higher orthopaedic surgical training in Manchester. He completed his training by passing the FRCS (Tr&Orth) exam and undertaking a knee fellowship in 2001 at the Royal Bolton Hospital as well as visiting a number of nationally and internationally renowned knee centres.
He has presented nationally and internationally and has published several papers in peer reviewed scientific journals and authored book chapters.
Mr Tselentakis has been a Consultant since 2002 and the Lead Clinician of the Orthopaedic Department at ESH from 2010-2018.
His clinical and research interests encompass all aspects of arthroscopic and open knee surgery. As a consultant he has performed over 4000 knee replacements including primary and revision procedures and a similar number of ligament reconstruction procedures including simple or complex reconstructive procedures. He has also performed over 7000 cartilage procedures including meniscectomies, meniscal repairs, cartilage regeneration and other arthroscopic or open surgeries.
Mr Tselentakis has been awarded 7 Clinical Excellence Awards for his managerial input in organising the Orthopaedic Services at East Surrey University Hospital during his tenure as a Lead Clinician and for clinical excellence as detailed succinctly below.
His clinical results as recorded in the NJR show that his failure rate in knee replacements remains consistently one of the lowest in UK for the last 12 years at 0.7%.
His infection rate as recorded and audited by the hospitals has been consistently very low; less than 0.3%.
His mortality rate in Knee replacement surgery is 0%.
Independently conducted patient surveys by NHS and private hospitals show a patient satisfaction rate in the upper quartile in all domains having scored consistently over 95%.
In 2014 he was appointed an Honorary Clinical Senior Lecturer at Brighton & Sussex Medical School.
He is responsible for the training of medical students, junior doctors and also senior surgical trainees with an interest in knee surgery under his Knee Fellowship Program. He has a busy practice performing over 800 knee surgeries annually with a fifty-fifty split between NHS and private sector.
Finally he is registered with the GMC and he is a member of the British Medical Association, Royal College of Surgeons, British Orthopaedic Association and British Association for Surgery of the Knee.