Sergio Morales Retamal was the 22nd and 24th Mayor of the commune of Pichilemu, office which he first held between May 1950 and May 1951, and later between May 1953 and May 1956. Morales also held off

Carlos Echazarreta Larraín was the 21st Mayor of the commune of Pichilemu, Chile between May 1947 and May 1950. He was succeeded by Sergio Morales Retamal. Echazarreta also was a regidor of Pichilemu