Doctor of Mathematical Sciences (Granada, Spain, 1999), with undergraduate and master's studies at the National University of Trujillo. Visiting professor at the University of Loja Ecuador (1994). Visiting researcher at the universities of: Las Palmas de Gran Canaria (1996), University of Granada (2002, 2012), Pulista State University (2002, 2005, 2013), and Saarlandes University (2007). Dedicated to the area of classical, fuzzy linear optimization, and heuristic methods and their applications.