Prof Chaidas graduated from the Medical School of Aristotle University in Greece in 2005. After the completion of his higher surgical training, he undertook a two-year fellowship training in robotic ENT (thyroid/parathyroid and sleep apnoea) surgery at St Mary’s Hospital in London. He had been a Consultant ENT surgeon at John Radcliffe Hospital-Oxford University Hospitals NHS Foundation Trust in Oxford (2015-2022). Since 2022, he has been an Assistant Professor in ENT at Democritus University of Thrace-School of Medicine in Alexandroupolis, Greece. He has also been an Honorary ENT Consultant at Imperial College Healthcare NHS Trust in London, UK. He is a fellow of the Royal College of Surgeons of England. Prof Chaidas has an active interest in research and teaching. He was awarded a PhD in sleep apnea in 2010. He has published widely with over 50 peer-reviewed publications and book chapters, mainly in the field of sleep apnoea, thyroid and robotic surgery.