Stergios Tsiolas

Stergios Tsiolas is an experienced professional in the telecommunications industry, currently serving as the Head of NI Enterprise Delivery for Italy, Greece, and Israel at Nokia since November 2009. Previously, Stergios held various roles at Nokia, including Customer Delivery Manager for the Mediterranean Cluster and Project Director for Greece and Cyprus. Prior to joining Nokia, Stergios worked as a Technology Management Consultant at O2 GmbH in Germany and as a Service Engineer at Cosmote S.A., focusing on mobile internet services. Stergios began a career as a System Engineer at Ericsson Hellas S.A., specializing in data networks and IP systems. Stergios holds an Executive MBA from City St George’s, University of London, and a BSc in Computer Engineering from the Technological Education Institute of Piraeus.