Professor of Law at  the Lisbon School of Law of the Universidade Católica Portuguesa. He conducts research in the fields of the Law of the Sea, Environmental and Climate Change Law, Public International Law, and Human Rights Law. He is National Rapporteur and Europe Regional Leader at the Sabin Center for Climate Change Law at Columbia University, coordinator of the post-graduate course on Climate Change Regulation, coordinator of the Law Schools Global League research group on Environmental Regulation, member of the International Law Association committee on the Protection of Persons at Sea, and member of the Young Scientists Seminar of the Lisbon Academy of Sciences.