Sergio Enrique Villarreal Barragán, a.k.a. El Grande, (b. September 21, 1969), is a Mexican former federal police officer who then worked as a lieutenant for Arturo Beltrán Leyva of the criminal organization called the Beltrán Leyva Cartel. He got his name El Grande ("The Big One") because he is 6 feet 7 inches (2.01 m) tall.