[2] Sule studied Law in the University of Chile, where he graduated in 1956 with his thesis "El sindicalismo argentino" (English: The Argentinian Syndicalism),[1] moving temporarily to Buenos Aires to conduct his on-site research attending union meetings and political syndicalist lectures.

According to La Cuarta, Sule held a friendship with important politicians such as Erich Honecker, Tony Blair, Ricardo Balbín and Fidel Castro, throughout his life.

Sule also was member of the National Congress of Chile, between 1969 and 1973, representing the VI O'Higgins Region and the Colchagua Province.

[1] Following the 1973 Chilean coup d'etat, Sule was detained and taken to the Dawson Island together with other members of the Unidad Popular.

[1] Anselmo Sule Candia died in Santiago, on June 7, 2002, at age 68, of brain cancer.