Meet an Expert Social: Yvonni-Stefania Efstathiou and Cristina Varriale

We were joined by Yvonni-Stefania Efstathiou, programme coordinator and research analyst for Defence and Military Analysis at the International Institute for Strategic Studies (IISS), and Cristina Varriale, research fellow in Proliferation and Nuclear Policy at the Royal United Services Institute (RUSI).