João Tiago Silveira


João Tiago Silveira rejoined the firm in 2011 and became a Morais Leitão partner in 2017. He coordinates the public law, urban planning and environment department.

On the academic circuit, he is a professor at the University of Lisbon School of Law in Public Law and Administrative Law. He regularly speaks in postgraduate courses and conferences on Administrative Law, Administrative Licensing and Better Regulation. 

João Tiago Silveira is a vice-president of the Instituto de Ciências Jurídico-Políticas and of the International Association of Legislation. He also integrates the lists of arbitrators of the Economic and Social Council and of the Administrative Arbitration Center.

He has played an active role in public positions, namely as State Secretary of Justice, State Secretary of the Presidency of the Council of Ministers and Director of the Legislative Policy and Planning Office of the Ministry of Justice.  He was also a member of the High Council for the Public Prosecutors and a government advisor.

Moreover, João Tiago was a member of the Technique Commission for the Preparation of the Program for the Quality and Efficiency of Legislation enacted by the Government, Coordinator of the Work Group for Administrative Justice Reform, member of the High Council for Statistics, member of the commission entitled to prepare Portuguese Legislation for the UN Convention on the Law of the Sea and member of the Commission to prepare legislation on the transference of competences to the municipalities.


"João Tiago Silveira stands out for his pragmatism and global vision."

Legal 500

Law Degree (University of Lisbon School of Law, 1994). Master’s Degree in Administrative Law (University of Lisbon School of Law, 2000). PhD in Law (University of Lisbon School of Law, 2017).


Portuguese, English, French and Spanish.


Portuguese Bar Association (admitted in 2012).

João Tiago Silveira