Ο Γρηγόρης Γεροτζιάφας είνα διευθυντής στο Thrombosis Center, Research Department Cancer, Vessels, Biology, and Therapeutics (CaVITE), CRSA, INSERM UMRS_938, Faculty of Medicine, Sorbonne University και καθηγητής Θρόμβωσης-Αιμόστασης, Sorbonne University, Paris, France, Loyola University Chicago, USA, Sechenov First Moscow State Medical University (Sechenov University), Russia