Ioannis Koutelidakis is a General Surgeon who maintains his private practice in Thessaloniki. He graduated from the Medical School of Aristotle University of Thessaloniki and completed his rural service in his hometown, Rethymno, Crete. He began his specialization in General Surgery at the Air Force Hospital and completed it in April 2004 at the 2nd Surgical Clinic of Aristotle University of Thessaloniki, after which he obtained the title of General Surgeon following examinations. Dr. Koutelidakis has been awarded a doctorate from Aristotle University of Thessaloniki. Subsequently, he was appointed Lecturer at the Medical School of Aristotle University of Thessaloniki and assigned to the 2nd Surgical Clinic at the "G. Gennimatas" Hospital. He has received further training at centers both domestically and abroad (Scotland, Belgium, France) in laparoscopic surgery. Additionally, he attended the Endocrine Surgery Department at Hammersmith Hospital in London for one month, followed by the one-year training program in endocrine surgery at Gemelli Hospital in Rome, where he received a Master’s diploma in endocrine surgery. During this program, he trained in thyroid and parathyroid surgery, both conventional and minimally invasive, as well as open and laparoscopic adrenal surgery. He also received training in cervical lymph node dissection for cases of thyroid cancer. Concurrently, he trained in cervical and thyroid ultrasonography and in ultrasound-guided fine-needle aspiration biopsy of the thyroid. Since his appointment as Lecturer, Dr. Koutelidakis actively participates in the surgical training of medical students and the education of General Surgery residents at the Medical School, while contributing to Greek and international publications in the Greek and international medical literature.