Prof. Carlos A. Castro obtained the titles of Electrical Engineer and Master of Electrical Engineering from the University of Campinas (UNICAMP),  Brazil, respectively, in 1982 and 1985, and Doctor of Philosophy from Arizona State University, AZ, USA, in 1993. He was a professor at the School of Electrical and Computer Engineering (FEEC) of the University of Campinas (UNICAMP) from 1983 to 2019, retiring as a full professor. He is currently a professor at the Pontifical Catholic University of Campinas (PUC-Campinas) and a collaborating professor at FEEC/UNICAMP. His main interest in both teaching and research is in electrical power systems, mainly voltage stability, power systems operation, load flow methods, and transmission and distribution systems.