Yvonni Efstathiou is working as a Policy Officer at the European External Action Service. In the past, she served as Political Officer at the EU Delegation to the United Arab Emirates and the EU Delegation to Madagascar and Comoros. Prior to joining the EU Institutions, Ms Efstathiou was a Defense Analyst at the International Institute for Strategic Research (IISS) in London. Her portfolio focused on naval military capabilities as well as maritime security in the Eastern Mediterranean Sea and the MENA region. Ms Efstathiou specializes in the European defense cooperation package (PESCO, EDF, CARD), EU-NATO relations and the Turkish Defense Industry. She regularly comments on defence and military issues for international media outlets such as the BBC and Defense News. She has studied History and Political Science (BA) and Security Studies (MSc) at the University College London (UCL).