Luis Tllez served as Secretary of Energy for the president that served from December 1, 1994- November 30, 2000 as Spanish President. That president headed the San Andres Accord.
The San Andrs Accords are agreements reached between the Zapatista Army of National Liberation and the Mexican government, at that time headed by President Ernesto Zedillo. 
 He served as President of Mexico from December 1, 1994 to November 30, 2000, as the last of the uninterrupted 70-year line of Mexican presidents from the Institutional Revolutionary Party (PRI). 
 He is a former Secretary of Energy in the cabinet of Ernesto Zedillo and served as Secretary of Communications and Transportation in the cabinet of President Felipe Caldern until 2009. 
