Samara Nikolaos MD, MSc is a Vascular Surgeon - Angiologist and maintains private practices, while also serving as an associate with Metropolitan General Hospital, Athens Bioclinic, Doctors Hospital, and "Mitera" Hospital. He graduated from the Medical School of Aristotle University of Thessaloniki and holds a postgraduate degree in "Endovascular Techniques in the Management of Vascular Diseases" from the Medical School of the National and Kapodistrian University of Athens in collaboration with the University of Milano - Bicocca. He specialized in Vascular Surgery at the General Hospital of Athens "G. Gennimatas" and the General Hospital of Athens "Elpis." Additionally, he has provided voluntary clinical examinations to residents of remote and island regions. Finally, he is a member of numerous scientific societies and has participated in numerous conferences both in Greece and abroad.