 She acted as legal advisor for a State Delegation taking part in the negotiations of the Rome Statute, at the Diplomatic Conference of Plenipotentiaries on the Establishment of an International Criminal Court in Rome.In litigation, she has appeared as counsel before the Inter-American Commission on Human Rights, the Inter-American Court of Human Rights the United Nations Human Rights Committee, and has advised parties before the International Court of Justice, International Tribunal for the Law of the Sea, UN CEDAW Committee, Court of Appeal (England) and Court of Appeal (Hong Kong).Expert opinions provided in different international fora have included an Amicus Curiae to the Constitutional Court of Colombia (on the Special Jurisdiction for Peace), a joint Amicus Curiae with Professor John Dugard (former Special Rapporteur on Diplomatic Protection at the ILC) for the Appeals Court of Amsterdam, in the "Bouterse" case, and expert comments on behalf of the Redress Trust to the Final Report of the UN Independent Expert on the Right of Reparation for Victims of Serious Violations of Human Rights and Humanitarian Law, Cherif Bassiouni.