Daughter of a soldier, her first years of life take place in the different destinies of his father: from Burgos to Madrid and then to Valencia. There she began to study law, career where there were only 10 female students, at the same time she discovered her fondness for theater. She has a degree in Law and Journalism from the Complutense University of Madrid. She also studied Political Science, although she did not complete it, as well as Interpretation at the Official School of Cinematography. Since the decade of the 90 maintains a relation with the Spanish actor Miguel Rellán.
Career
In 1963, she obtained a position as an announcer in Radio Nacional de España, in 1966, joining the news services of Spanish television. In a first stage, she developed her career in La 2, then known as UHF, in programs such as La segunda cadena informa in 1968. At the beginning of the 70s she moved to the La 1, joining first the informative Buenas tardes. Her popularity increases when she was designated, in 1972, for the presentation of the first OTI Festival. Her consecration takes place with her incorporation into the prestigious space Pedro ErquiciaInforme Semanal, where remained until 1980. Nicknamed as "the Muse of the Transition", after the attempted coup d'État of 23 February 1981 Mateo was chosen by consensus of all political parties to read the condemnation manifesto. She has also presented the newscast, until 1993 when she was booked by Antena 3 to take charge of her news programAntena 3 Noticias at weekends. Remains in the private chain until 2003 when her contract is terminated because of an layoff. Mateo was, according to a report in 1990 by the audiovisual department of journalism at the Faculty of Information Sciences of the University of La Laguna, the host of RTVE that higher levels of popular acceptance got. She openly criticized the treatment that television media gives to women in general, and to those who work innews programs in particular. In 2010 she received the Gold Medal of Merit for Work, granted by the Ministry of Labor and Immigration. On the other hand, in the campaign for the general elections of 2011 she publicly expressed her support for the PSOE candidate Alfredo Pérez Rubalcaba. On November 16, 2013, she planted and nurtured a tree with her name in the Communication Park of Boiro, the only one in Spain created by journalists. On that day, she also received the Honorary Exxpopress Award in Boiro. 2013 in recognition of her long and successful professional career, granted by the Club Exxpopress de Periodistas de Galicia. In April 2014 she intervenes making a cameo in the Rescatando a Sara series produced by Atresmedia.
Sole Administrator of RTVE
After difficulties in approving the appointment of a Chair of RTVE, on 19 July 2018, the new government of Pedro Sánchez proposed Mateo as the "sole administrator" of Spanish Broadcasting Company, a provisional position to direct the public body until the approval of a new chair and Board by public tender. Her candidacy was approved on July 27 of the same year by the Congress of Deputies, and took office on 30 July.