Fons studied film production in the Universitary Center of Film Studies at National Autonomous University of Mexico (UNAM), belonging to the very first generation of Mexican directors who studied to become filmmakers. His short film Caridad (1973) -part of the trilogy Fe Esperanza y Caridad (1973)- is still considered one of the best movies in Mexican cinema. His career has peaked recently with two of the most remarkable films of recent Mexican movie history: Red Dawn (1989) (1989) and El Midaq Alley