Nikolopoulos Euaggelos is a Vascular Surgeon - Angiologist MD, MSc, maintaining private practices in Neo Irakleio, Attica, and Vathy, Samos. He graduated from the Medical School of Democritus University of Thrace and is a Scientific Collaborator at the University Vascular Surgery Clinic of the same university. He is the Chief Vascular Surgeon at Metropolitan Hospital and has served as a Vascular Surgeon Consultant at the Athens Bioclinic. His core principles are: developing an excellent collaborative relationship between physician and patient, providing analytical, clear, and comprehensive information to the patient regarding their condition and treatment options, and ensuring absolute documentation of therapeutic recommendations based on current literature and the latest guidelines from the European Society for Vascular Surgery.