Leonardo Poltronieri Sampaio was born in São José do Rio Preto, Brazil, in 1983. He received the B.Sc., M.Sc. and Ph. D. degrees in electrical engineering from São Paulo State University, Ilha Solteira, Brazil, in 2008, 2010 and 2013, respectively. Since 2012, he has been with the Electrical Engineering Department, Federal University of Technology, Cornélio Procópio, Brazil, where he is currently a Professor of electrical engineering. His interests include computer programming, education in power electronics, e-learning, education tools, dc–dc converters, inverters, renewable and alternative energy sources, photovoltaic systems, and power electronic converters.