[3] A member of the coordination council of the Cuban Patriotic Union,[4][5] which has been described by the United States State Department as the "largest group of Cuban opposition",[6] the organization pursues a peaceful opposition to the repression of civil liberties in Cuba.

[7] As a notable dissident and human rights activist in Cuba, he has been declared numerous times to be a prisoner of conscience since 1989.

[1][2] He has become over thirty years a worldwide reference for human rights organizations and international press about the state of human rights in the island nation and the situation of prisoners of conscience.

[8][9][10] According to a 1989 International Amnesty report,[1] Elizardo Sánches was detained in April 1980 and sentenced to six years in prison, charged with spreading "enemy propaganda".

He was set free on 29 December 1985 but was arrested again, along with two other members of CCDHRN, in September 1986 and imprisoned without formal charges or trial until he was released in May 1987.