Aggregate and Doctor in Law. Full Professor at the Autonomous University of Lisbon since 2008.
Jurisconsult, Lawyer and Arbitrator, in addition to Director of the Journal of Public Law and gives Journal of Law and Security.
He was a Member of the Assembly of the Republic in the XI Legislature (2009/2011) and Chairman of the Supervisory Board of the Portuguese Republic's Information System (2004/2008).
He is Chairman of the Supervisory Board of the Portuguese Bar Association (2020-2022).
Author of more than 300 titles, of which the main didactic works are Constitutional Law Handbook, I and II vol., 7th ed., Coimbra, 2021, and the Manual of public international law, 5th ed., Coimbra, 2017.