I am a Professor of Physics at the Department of Physics and Math , University of Colima , Colima, Mexico and an Adjunct Professor at the Theory Group, University of Texas at Austin. Before coming to UCOL I was a postdoc at UCLA and ICTP, I taught at Brown and I was a Researcher at CINVESTAV, Mexico. My research interests are String Theory, Quantum Field Theory, Particle Physics and Quantum Chromodynamics.