He holds a Degree in Law from the Faculty of Law of the University of Lisbon. He has practiced law, as a legal advisor and has taught at the Department of Philosophy of the Faculty of Letters of the University of Lisbon. He is currently a Guest Lecturer at the Political Studies Institute of the Catholic Portuguese University, Co-Coordinator of the Permanent Seminar on Philosophy and Law of the Portuguese Philosophy Society, Collaborator at the Centre for Philosophical Sciences of the University of Lisbon and Member of the Institute of Economic, Financial and Fiscal Law at the Faculty of Law of the University of Lisbon. He is part of a wide array of scientific and techno-professional societies at home and abroad in his diverse areas of work and has participated in inumerous conferences, symposiums etc. and at national and international level, some of which he scientific coordination responsibility for. He is author of the books: Ética & Contrato Social [“Ethics and Social Contract”] (2005) and O Estado da Razão. Da Ideia Hegeliana de Estado ao Estado segundo a Ideia Hegeliana [“The Stage of Reason: From the Hegellian Idea of the State to the State according to the Hegelian Ideal”] (2004) and Rousseau, Hegel e Marx. Percursos da Razão Política [“Rousseau, Hegel and Marx: Pathways of Political Reason”] (1983). He has edited and presented the collective volumes of Ética e o Futuro da Democracia [“Ethics and the Future of Democracy”] (1998) and Tecnologias da Informação & Sociedade. Teoria, Usos, Impactos [“Information and Health Technologies: Theory, Use and Impacts”] (1992). He has also published in the fields of Law and Moral Philosophy, in Portugal and abroad.