Fayad served as Mayor of Mendoza from December 10, 1987 through December 10, 1991 and again from December 10, 2007 until his death in 7 August 2014. Before being mayor of Mendoza, Fayad served in the Argentine Chamber of Deputies from December 10, 1993 through December 10, 2005.
Fayad was born in Mendoza. He was married to Marcela Pérez Caroli until his death in 2014. They had three children.