Prof Tsiridis is the Chairman of Orthopaedic Surgery at "Papageorgiou General Hospital" of the AUTH Medical School in Thessaloniki, the President of the European Hip Society, the President of the Hellenic Αssociation of Orthopedic Surgery and Traumatology and Visiting Professor at UCL. He is the chief specialist in hip and knee arthroplasty and revision surgery.

He has qualified in Medicine "Cum Laude" from Athens University in 1992. He was fully trained in orthopaedics at the Royal National Orthopaedic Hospital at Stanmore and the UCL affiliated Hospitals in the UK. He received his fellowship training in Boston Medical Center, BA USA and in Exeter Arthroplasty Unit for 2 years. He was sabbatical trained at Harvard Medical School. He holds a PhD from King's College London an MSc from UCL and he is fellow of the Royal College of Surgeons and the American College of Surgeons. He has received the prestigious awards "Onassis", "Latta" and "Rothman-Ranawat". He is the main contributor of 270 papers attracting currently nearly 13.546 citations. In 2018 he published with Springer the "Adult Hip: master cases series and techniques" which received 14.650 citations the first year of publication. He is the president of the MAST course, held on a yearly basis which is under the auspices of EFORT. He is the founder and Chairman of The Tsiridis Orthopaedic Institute-ICAROS and co-founder of ORama. SA. Director of the CORE lab at CIRI AUTH and the ART arthroplasty registry.