Paolo Palchetti (PhD, University of Milan) is professor of International Law at the University of Paris 1 Panthéon Sorbonne, where he is the director of the Master on International Law and International Organization. He was previously professor of international law at the University of Macerata (Italy). He is the author of books and articles on various topics of international law, especially in the fields of the law of international organizations, the external relations of the European Union, international responsibility, international dispute settlement.

Paolo Palchetti has held visiting positions at several universities. He is one of the managing editors of QIL-Questions of international law, member of the board of directors of the Rivista di diritto internazionale and of Diritti Umani e Diritto Internazionale, and member of the editorial committee of International Organizations Law Review and of OXIO-Oxford International Organizations Database.

He advises States on interstate disputes and acted as advocate and counsel in several cases before the International Court of Justice, including Alleged Breaches of Certain International Obligations in respect of the Occupied Palestinian Territory (Nicaragua v. Germany), Arbitral Award of 3 October 1899 (Guyana v. Venezuela), Obligations concerning Negotiations relating to Cessation of the Nuclear Arms Race and to Nuclear Disarmament (Marshall Islands v. India) (Marshall Islands v. Pakistan) (Marshall Islands v. United Kingdom), Jurisdictional Immunities of the State (Germany v. Italy).