Deputy Director General of Legislation, Ministry of Transport and Sustainable Mobility.
Mario Díaz has a law degree and a diploma in management consulting from Comillas Pontifical University (ICADE. E.1) and has been a member of the Senior Corps of State Civil Administrators since 1989.
He was assigned to the Provincial Directorate of the Ministry of Education and Science in Saragossa, the Technical Secretariat-General of the Ministry of Education and Science, specifically the Sub-Directorate General for Resources and as deputy sub-director general of the Sub-Directorate General for Reporting (Technical Secretariat-General) of the Ministry of Public Administrations from 1998 to 2000.
He was the technical vice-secretary general of the Ministry of Public Administration between the years 2000 and 2008.
From May 2008 to July 2021, he served as Deputy Technical Secretary-General in the Technical General Secretariat of the Ministry of Transport, Mobility and Urban Agenda
On November 18, 2008, he was appointed member of the Board of Directors of the public business entity Aena.
Since 2021, he has been Deputy Director General of Legislation at the Ministry of Transport and Sustainable Mobility.