Daniel practises in public international law and international arbitration.
He represents states, corporations and individuals before international courts and tribunals, including the International Court of Justice, the International Tribunal for the Law of the Sea and arbitral tribunals.
Daniel provides advice on land and maritime boundaries, sovereignty over territory, the law of treaties, the law of the sea, state succession, state responsibility and the application of investment protection treaties.
Before joining Freshfields, Daniel appeared for and assisted States in over a dozen cases before the ICJ, ITLOS or inter-State arbitral tribunals. Highlights of Daniel's experience as counsel and advocate before the ICJ include acting for Romania in the case on Maritime Delimitation in the Black Sea against Ukraine; for Argentina in the dispute against Uruguay concerning Pulp Mills on the River Uruguay; for the Republic of Guinea in the Ahmadou Sadio Diallo case against the DRC; and for the Republic of Kosovo in the advisory proceedings on its unilateral declaration of independence.
Daniel also represented Myanmar before ITLOS in the case concerning the Delimitation of the maritime boundary between Bangladesh and Myanmar in the Bay of Bengal. More recently, Daniel assisted Singapore in two cases brought by Malaysia concerning the revision and interpretation of the judgment of the ICJ in the case concerning Sovereignty over Pedra Branca/Pulau Batu Puteh, Middle Rocks and South Ledge (Malaysia/Singapore). Daniel also assisted Slovenia in its land and maritime boundary delimitation arbitration against the Republic of Croatia.
Daniel teaches public international law and European Union law at the Université Paris Nanterre.