He was also the national director of the Sindicato Español Universitario (SEU), the university syndicate of the Spanish Falange movement, from 1957 to February 1962.
On 26 March 1964, Manuel Fraga Iribarne, then Minister for Information and Tourism, appointed him as the Director General of Radio Difusión y Televisión, a position equivalent to the current Chair of Corporación de Radio y Televisión Española.
In this capacity, on 18 July of the same year, Aparicio-Bernal ordered the creation of Televisión Española studios at Prado del Rey in Pozuelo de Alarcón, the current central headquarters of the corporation.
As an adjunct professor, he also taught business law at the Complutense University of Madrid.
Aparicio-Bernal identifies as a secular humanist and an atheist, and is strongly critical of religion.