Born in Torre de Dona Chama in Trás os Montes, registered in Vila Real, but says he is from Chaves (because he lived here in his early years); Lived in Montalegre, was a teenager in Miranda do Douro and Sintra; As an adult, he studied in Porto and later in Lisbon, where he now lives and works. His work has been divided into three main areas of activity: research, higher education and project/consultancy in restoration and rehabilitation. He finished his PhD in 1999. He had basic training as an Architect (1986, at ESBAP-DA, ESBAL-DA and FA-UTL), started his studies at the Architecture Course at the Escola Superior de Belas Artes in Porto, concluding in 1986 at the Faculty of Architecture of the Technical University of Lisbon. Before this, he completed the Equipment and Interior Design course at the António Arroios School in Lisbon as additional preparation. He developed a liberal activity in architecture, sharing a studio with architects António Júlio Baptista Coelho, and now with Pedro Pacheco. He was Assistant Professor and then Associate Professor in the Architecture Course at Universidade Lusíada in Lisbon (between 1988 and 2005). He was also for two years Assistant in the Architecture Course at U. Coimbra and Invited Assistant Professor at the University of Évora (1997-2005) where he was part of the Installation Commission that founded his Architecture Course. He was a Researcher at the National Laboratory of Civil Engineering (LNEC, where he was admitted after public examinations as a Research Fellow, then Research Intern and Assistant Researcher, between 1986 - 2005). Since 2005 and after a public competition, he was admitted as an Associate Professor at the Faculty of Architecture of the University of Lisbon (FA-ULisboa) in the (then) Department of Architecture, ensuring disciplines in Conservation, Restoration and Rehabilitation and the Laboratory of Project VI and Final Master Project. At FA-ULisboa he was Coordinator of the 2nd Master's Cycle (2009-2010 and 2014-January 2017); Coordinator of the 6th and 7th Masters Course in Rehabilitation of Architecture and Urban Centers, FAUTL (2005-08). By protocol with FAUP, he was Coordinator of the Traditional Material and Construction Techniques Disciplines, of the MIPA Master's Degree and the CEAPA Course of FAUP (2003-15). At FA-ULisboa he was Vice President of his Scientific Council during his term and was elected by his peers as Coordinator of the Integrated Master in Architecture and Director of the Disciplinary Area of Architecture (February 2014 to January 2017); he was Vice-President of the School Council and scientific responsible for the Group of Curricular Units for Conservation, Restoration and Rehabilitation and Coordinator of this Specialization in the PhD Course in Architecture at FA-ULisboa. He was elected again as Director of Architecture Project Department of FAUL (2019-2021; 2021-2023). As a Researcher, he was Coordinator of Research Projects in the rehabilitation and conservation of heritage (with several projects funded by FCT) and researcher in other International and national projects, which resulted in a few hundred publications, of which two stand out: Aguiar, J., Color and historic city. Chromatic studies and heritage conservation. Porto: Edições FAUP, 2003 and the Technical Guide produced at the request of the Secretary of State for Housing for INH: Paiva, J .; Aguiar, J .; Pinho, A., Technical Guide for Housing Rehabilitation. Lisbon: LNEC-INH, 2006. Belonged to the Scientific Committee of journals in Portugal, England, Holland and Italy. He was actively involved both in civic associations in defense of architectural and urban heritage and in the defense of the interests of his profession. He was President of ICOMOS-Portugal (2008-2011), continuing as its Vice-President; he is a member of the National Cultural Council Architecture and Archaeology Section Ministry of Culture.