Theodosis Kalogeropoulos currently serves as the International Markets Development Manager at Sarantis Group, a position held since September 2024. Prior experience includes roles as International New Business Development Manager at Cosmote e-Value and Regional Business Development Manager at THEON SENSORS S.A., where key responsibilities involved establishing partnerships, monitoring market trends, managing RFP bids for NATO, and identifying revenue opportunities across multiple regions including South Europe, Benelux, and the Balkans. Previous roles also encompass Export Account Manager for Motor Oil, Project Manager for the successful Kickstarter campaign of "Stikey" at Dcubed Product Design Studio, and a buyer position at Plaisio, as well as military service as a Naval Petty Officer in the Hellenic Navy. Theodosis Kalogeropoulos holds a Certificate in Strategic Thinking for the CXO from Cambridge Judge Business School and multiple Master's and Bachelor's degrees in technical fields from the University of Sussex, focusing on sustainability and communication technologies.