The vascular surgeon Mr. George Koustas MD. PhD., Is the director of the two most organized clinics in Greece, the Vascular Surgery Clinic & the Diabetic Foot Clinic, of the Athens Medical Center group. At the same time, he is the founder of the Athens Vascular Surgery Clinic, which provides a variety of high level services, with modern technological equipment & specialized scientific staff. He received his education at universities in France, Germany and Brazil, while his main education took place at Loyola University and he completed his studies at Harvard University. It is considered one of the pioneers in the prevention of pulmonary embolism, local thrombolysis, acute arterial blockages and in situ bypass. He is a member of more than 8 international medical scientific companies, the Athens Medical Association and the postgraduate programs of Harvard University.