Dayan Adionel Guimarães was Born in Carrancas, MG, Brazil, on March 01, 1969. He holds the titles: Electronics Technician (ETE FMC, 1987), Electrical Engineer (Inatel, 1994), Specialist in Data Communication Engineering (Inatel, 2003), Specialist in Human Resources Management (FAI, 1996), Master in Electrical Engineering (Unicamp, 1998) and Doctor in Electrical Engineering (Unicamp, 2003). In 2010 he attended a Pos-Doctoral internship at Federal University of Santa Catarina (UFSC), studying Spectrum Sensing for Cognitive Radio applications and Convex Optimization. From 1988 to 1993 he developed equipment for Industrial Instrumentation and Control, and also occupied the positions of Manufacturing and Product Engineering Supervisor at SENSE Sensores e Instrumentos. Since January 1995 he is Professor at Inatel where, for eight years, he was responsible for the structure that supports practical teaching activities for the Electrical Engineering undergraduate course. His research includes the general aspects of Digital Transmission and Mobile Communications. He is currently working on Eigenvalue-Based Spectrum Sensing for Cognitive Radio and applications of Convex Optimization in telecommunications.