In the past, he was Deputy Rector for Internationalization at Luiss, and a Teacher/visiting professor/fellow at American University of Rome, China Foreign Affairs University, Covenant University, Freie Universitat Berlin, Fudan University, Exeter University, London School of Economics, MGIMO, Notre Dame University, Oxford University, Sciences Po, Strathmore University, Waseda, Université de Geneve, University of Delaware, University of Naples L’Orientale, and University of Taipei. He served as rapporteur for the European Commission on Civil Society in Global Governance and received the Lawrence S. Finkelstein Award from the International Studies Association (ISA), Section on International Organization .

Among its publications: The End of the West. European Strategic Autonomy after the Transatlantic Order, forthcoming in 2025. Sixty Years of Transnational Civil Society Mobilizations: The Other Side of Global Politics, London: Routledge (2025). Manuale di politica estera italiana, Il Mulino (con E.Diodato), 2023. Manuale di relazioni internazionali, Luiss UP, 2022 (con S.Menegazzi). Per la patria e per profitto. Multinazionali e politica estera, Luiss UP, 2022 (con S.Beltrame). Hybrid Diplomacy with NGOs: The Italian Formula, Palgrave, 2021. City Diplomacy. From City-States to Global Cities, University of Michigan Press, 2021 (translated in Chinese, French, Italian, Russia, Spanish, Persian). Cybersecurity. Hacker, spie, terroristi e le nuove minacce del web, Luiss UP, 2017 (con R.Mulas). Partnership in International Policy Making: Civil Society and Public Institutions in Global and European Affairs, Palgrave, 2017, Still a Western World? Continuity and Change in World Order, Routledge, 2017 (con S.Fabbrini). Global Strategic Engagement, Lexington Books-Rowman & Littlefield, 2016. La politica della globalizzazione, Mondadori, 2014. Civil Society, Ethnic Conflicts, and the Politicization of Human Rights, United Nations University Press, 2011 (con N.Tocci). Global Democracy: Normative and Empirical Perspectives, Cambridge University Press, 2011 (con D.Archibugi e M.Koenig-Archibugi).