Tsatsaronis Xristos was born in Athens. He completed high school in Kypseli and was admitted through the Panhellenic Examinations to the Medical School of Aristotle University of Thessaloniki.
He specialized in Orthopedic Surgery and Traumatology at KAT Hospital, where he also trained, among other fields, in Microsurgery.
He has worked in both the private and public sectors in Greece and abroad.
Among other roles, he served as the physician for the National Under-21 Football Team for one year, for the Judo Team of the National Gymnastic Association for over ten years, as team doctor for the Molaikos Laconia club, as a race doctor for the "Zirineia" Athletics competitions, as well as for the National Judo Team.
He served in the National Health System (E.S.Y.) as head of the Orthopedic Department, from which he resigned holding the rank of Senior Registrar (Epithelitis A’).
He has over ten years of experience in various hospitals in the United Kingdom, having performed over 2000 surgeries as a surgeon or trainer, most recently at the Royal Bournemouth Hospital of University Hospitals Dorset, where he was also nominated for "Best Trainer."
He has won the World Judo Championship for Healthcare Professionals twice (2008 in Germany and 2009 in Spain), as well as his category in the Greek Veterans Judo Championship (Nea Makri, 2024), with additional medals from international and national competitions.