Nicolas Angelet specialises in public international law. His areas of expertise cover all aspects of public international law, including investment law and investor-state dispute settlement, immunities, the law and governance of international organisations, international law against corruption, human rights, UN and unilateral sanctions, territorial regimes and the law of armed conflicts.

Nicolas is professor of international law in the Université Libre de Bruxelles (ULB) and a member of the Brussels Bar. He is a member of the ICSID panel of conciliators (appointed by Belgium) and of the ICSID panel of arbitrators (appointed by Burundi).

Nicolas has served as counsel on issues of international law to governments, international organisations, corporations and individuals, before domestic courts in various countries, as well as in international proceedings, including the International Centre for the Settlement of Investment Disputes, the International Court of Justice, arbitration under the aegis of the Permanent Court of Arbitration, the UN Human Rights Committee, subsidiary organs of the UN Security Council and the European Court of Human Rights.