Nikolaidis Kyriakos is a Pulmonologist - Tuberculosis Specialist and maintains a private practice in Markopoulo. He holds a degree in medicine from Carol Davila University of Medicine and Pharmacy and completed his specialty training in Pulmonology - Tuberculosis at the Sotiria General Hospital for Thoracic Diseases in Athens. Additionally, he received further training at the 2nd Department of Internal Medicine of the 251 Air Force General Hospital and in the Thoracic CT Department of the Sotiria General Hospital for Thoracic Diseases in Athens, with a focus on bronchiectasis. Throughout his career, he has worked as an attending physician in various internal medicine departments, including Ionio Therapeutirion, Mesogeios Clinic, the Internal Medicine Department of the White Cross Athens, and worked for six years at the Sotiria General Hospital for Thoracic Diseases in Athens. Finally, he has attended and participated in numerous seminars, conferences, and lectures both in Greece and abroad.