David Baez-Lopez was born in Puebla, Mexico.He attended the Universidad Autonoma de Puebla where he obtained a B.S. in Physics. He then obtained M.S. and Ph.D degrees in Electrical Engineering from the University of Arizona. He has authored more than 80 research papers and 5 books. He has been a professor of Electronics at Universidad de las Americas-Puebla, UDLAP, in Cholula since 1985 where he was Head of the Department from 1988 to 1996, at the National Institute for Astrophysics, Optics, and Electronics, from 1979 to 1985, where he was also head of the Department of Electronics from 1983 to 1985, and he has been a visiting professor and researcher at Texas Tech University at Lubbock, TX, and at Ryerson University, Toronto, Canada. He is founder of the International Conference on Electronic Engineering CONIELECOMP, held every other year at UDLAP.Felix E. Guerrero-Castro is an electronics engineer working at Hackerspace in Cholula, Puebla, Mexico. Among his daily activities are hardware development, consulting, web programming, and teaching kids how to program Arduino microcontrollers. After receiving his Masters Degree in Electronics in 2004, he spent six year as a lecturer teaching electronics at the Electronics Lab at Universidad de las Americas-Puebla UDLAP. He holds a Bachelors degree in Electronics and Communication Engineering from the Instituto Tecnologico y de Estudios Superiores de Monterrey (ITESM) 1999. He has published a number of research papers in power electronics, digital sound modelling, and biomedics. He also plays guitar and records local bands in his own studio. He enjoys traveling and taking landscape photographs.
