Professor Ratti's research and teaching interests lie in post-World War Two international history, specifically U.S.-European relations, NATO’s evolution, European security and defense policies, and international relations theory. Professor Ratti is the author of three monographs, two edited volumes, and several book chapters. His work has appeared in journals such as The International History Review, The Journal of Transatlantic Studies, Diplomacy & Statecraft, The Journal of Slavic Military Studies, The Journal of Middle Eastern Geopolitics, the Canadian Journal of European and Russian Studies, and Mediterranean Politics. He is also an Associate Professor of History of International Relations at Rome 3 University and has been a visiting scholar at Carleton University.
His more recent publications include: ‘NATO and the CSDP after the Ukraine War: the end of European strategic autonomy?’, Canadian Journal of European and Russian Studies, (Vol. 16, no.2, 2023), ‘Realism', in Sebastian Mayer (ed.), Research Handbook of NATO (Edward Elgar: Cheltenham 2023), ‘NATO and European integration’ in Steven Van Hecke and Mathieu Segers (eds), The Cambridge History of European Integration (Cambridge: CUP, forthcoming), ‘Italy’ in James Sperling and Mark Webber (eds), Oxford Handbook on NATO (London and New York: Oxford University Press, forthcoming), ‘The Anglo-American special relationship and West Germany’s Eastern Policy from ‘Bridge-building’ to Ostpolitik,’ The International History Review (2021), ‘Reviving Flexible Response: An Assessment of NATO’s Russian Strategy on the Alliance’s 70th Anniversary’, Journal of Slavic Military Studies (2019), ‘Italy and NATO in the 21st century: still a formidable partnership?’ in Michele Testoni (ed.), NATO and Transatlantic Relations in the 21st century: Foreign and Security Policy Perspectives (London and New York: Routledge 2020) and ‘The EU’s CSDP: The Great Illusion’ in Hubert Zimmerman and Andreas Duer (eds), Key Controversies in European Integration (London and New York: Palgrave/MacMillan, 2021).