Guerra Leal, Mario was born in 1919. Son of Jorge Guerra Leal, a lawyer. Nephew of Benito Guerra Leal, second-in-command of the Mexico City Police Department under General Roberto Cruz.
Uncle Antonio Guerra Leal practiced law with Alfonso Corona del Rosal. Student of Hugo B. Margáin at Colegio México. Studied under Agustín Yáñez at the National Preparatory School.
Studied under many politicians at National Autonomous University, including José Campillo Sáinz.
Studied secondary at the Brothers of Mary Colegio México, Federal District. Preparatory studies at the National Preparatory Night School, Federal District, while working at the National Bank of Mexico. Law degree from the National School of Law, National Autonomous University.
Lawyer for the Federation of the Parties of the Mexican People, 1953-1958. President of the Federation of the Parties of the Mexican People. President of the Parties of the Mexican Republic in the Federal District.
Secretary General of the Authentic Party of the Mexican Revolution (PARM). President of the National Anti-Communist Party, but later expelled. Director of PARM in the Federal District.
President of the National Executive Committee of PARM, 1983-1986. Private Secretary to General Miguel Henríquez Guzmán. Private secretary to General Juan Barragán.
Imprisoned for political reasons, 1970s.
Roman Catholic
