He is qualified as Full Professor since July 2018, is currently Associate Professor (tenured) of EU Law at the Law Department of Luiss University. He is also Recurring Adjunct Professor of EU Law at the School of Law of American University (Washington DC) (since May 2016) and Professeur invité at Université Panthéon-Assas (Paris) (since November 2017).
He joined Luiss Law Faculty in 2011. He currently teaches EU Law (English) as well as EU Internal Market (English) and has previously taught International Economic Law and International Environmental Law. At Luiss he sits on the Governing Council of the School of Government, is the academic delegate and coordinator of the dual degrees program at the Law Department, Co-Director of the MA in International, Comparative and EU Law (ICEUL), Co-Director of the LLM in Law and Government of the European Union (MLAG), and a member of the Ph.D. Faculty.
He holds a degree in Law (magna cum laude and special mention) and a Ph.D. in International and EU Law (special mention) both from Sapienza University (Rome). Prior to or during his Ph.D. he specialized in International and EU Law at Hague Academy of International Law (The Hague), World Trade Institute (Berne), Academy of European Law (Florence), and Salzburg Law School (Salzburg).
He has been Professor invitado at Universidad de La Habana, Professeur invité at Université Capitole de Toulouse, Visiting Fellow at the Centre for Global Governance Studies (Leuven), European Union Fulbright Schuman Scholar at Fordham Law School (New York), DAAD Fellow at Max Planck Institute for Public International Law and Comparative Law (Heidelberg), and Jean Monnet Fellow at the European University Institute (Florence).
He was guest/invited speaker and/or lecturer at several institutions in Europe and US, such as, amongst others, EUI (Florence), Italian Society for International Law (Genoa), NYU School of Law, Fordham Law School (NY), King’s College (London), University of Oslo, KU Leuven, University of Lisbon, Université de la Bretagne Occidentale(Brest), Université de Tours (colloque annuel de la CEDECE), Sapienza University of Rome, Roma Tre University, University of Milan, University of Naples Federico II, University of Parma, University of Turin, University of Teramo, University of Sannio.
He has been a member of the Steering Committee for the joint United Nations Environmental Program (UNEP) and Global Reporting Initiative (GRI)’s 2013 Sustainability Report entitled Carrots and Sticks – Promoting Transparency and Sustainability. As a legal advisor he acted, in 2015, for the Italian Ministry for Economic Development for the drafting of a study on the investor-State arbitration clause in the TTIP (Transatlantic Trade and Investment Partnership), and, in 2017, for the European Food Security Agency.
Prof. Gallo is co-editor of European Papers. A Journal on Law and Integration and member of several other journals’ editorial boards, co-editor of a book on Same-Sex Couples before National, Supranational and International Jurisdictions (Springer, Berlin, 2014, Foreword by G. de Burca, 572 pp. – reviewed in journals such as International Journal of Constitutional Law, Revue critique de droit international privé, Italian Yearbook of International Law, Studi sull’integrazione europea, Diritto Pubblico), author of two monographs (I servizi di interesse economico generale. Stato, Mercato e Welfare nel diritto dell’Unione europea, Giuffrè, Milan, 2010, 860 pp., reviewed in journals such as, amongst others, Common Market Law Review, Legal Issues of Economic Integration, Revue du Droit de l’Union européenne, Rivista trimestrale di diritto pubblico, Diritto comunitario e degli scambi internazionali; L’efficacia diretta del diritto dell’Unione europea negli ordinamenti nazionali. Evoluzione di una dottrina ancora controversa, Giuffrè, Milan, 2018, 550 pp.), as well as of over 70 contributions on International and EU Law published in various edited books (Edward Elgar, Brill/Martinus Nijhoff, Springer Verlag, Eleven International, Cambridge University Press, Kluwer International, Sweet & Maxwell, Pedone, Giuffrè, Giappichelli, Cedam, etc.) and law journals/yearbooks, such as, amongst others, European Law Journal, European Papers. A Journal on Law and Integration, European Business Law Review, Fordham International Law Journal, American University International Law Review, International Organizations Law Review, European Journal of Social Law, Annuaire de droit de l’Union européenne, Revue des affaires européennes and Revue du Droit de l’Union européenne, in addition to several Italian law journals (Il Diritto dell’Unione europea, Studi sull’integrazione europea, Diritto del commercio internazionale, Rivista italiana di diritto pubblico comunitario, Diritti umani e diritto internazionale, etc.).
Attorney-at-Law, he has pleaded before the European Court of Human Rights, the UNIDROIT Administrative Tribunal and the ILO Administrative Tribunal, and acted as Of Counsel on EU law in a number of proceedings before national jurisdictions and the CJEU.
Prof. Gallo had media appearances in leading newspapers, news agencies and broadcasters, such as Reuters, ADNKronos, Bloomberg and Bloomberg Businessweek.