[1] Treviño was a Member of Mexico’s Congress (Diputado Federal, State of Nuevo León, Institutional Revolutionary Party - PRI).
Treviño served as the Secretario General de Gobierno of the Mexican State of Nuevo León (Lieutenant Governor) from October 2009 to February 2012.
Treviño was the Senior Vice President of Corporate Communications and Public Affairs at CEMEX, the global building materials company, from March 2001 to September 2009.
From 1989 to 1993, Treviño was posted to the Mexican Embassy in Washington, D.C., where he served as Spokesman and Minister for Press and Public Affairs during the period of negotiations that led to the North American Free Trade Agreement.
He is a frequent collaborator of national newspapers, including Milenio Daily, Reforma, and SDPNoticias, where he writes about Mexican politics and international affairs, as well as a commentator in television and radio shows.