Dr. Spyropoulos was the Founder and former Medical Director of the Clinical Thrombosis Center in Albuquerque, New Mexico. He is a Professor of Medicine at Hofstra, Northwell School of Medicine,  Professor of Institute of Health System Science at the Feinstein Institutes for Medical Research,  Professor at Elmezzi Graduate School of Molecular Medicine, and System Director of Anticoagulation and Clinical Thrombosis Services for the multi-hospital Northwell Health System.