Luis A. Fletscher received the B.S. degree in electronic and telecommunications engineering from the Universidad del Cauca, Popayán, Colombia, in 2001, the M.Sc. degree in telematics from the Universidad de Murcia, Murcia, Spain, in 2010, the M.Sc. degree in telecommunications from the Universidad Pontificia Bolivariana, Medellín, Colombia, in 2011, and the Ph.D. in energy systems engineering from the Universidad Nacional de Colombia, Medellín, Colombia, in 2018. In 2012, he joined the Department of Electronic and Telecommunications Engineering, Universidad de Antioquia, as a Full Time Professor. His main research interests include energy efficiency of telecommunications systems, coalitional game theory, and mobile networks planning.