George Ntaios serves as Associate Professor of Internal Medicine at the University of Thessaly, and practices Internal Medicine at the Department of Medicine at the Larissa University Hospital in Greece. He serves as the Treasurer of the ESC Council of Stroke since 2022, and as the President of the Hellenic Stroke Organization since 2021 after a 6-year term as its General Secretary. His main research interest focuses on ischemic stroke etiology, prevention and prognosis.