Rogério Theodoro de Brito has a bachelor's degree in computer science and a master's degree in computational biology, both from the University of São Paulo, Brazil. Academically, he is a free/open source software (FOSS) enthusiast and teaches various subjects in computer science and IT at the Mackenzie Presbyterian University in São Paulo, Brazil. He was the technical reviewer of Packt's edX E-Learning Course Marketing. After completing his master's degree, he started his role as an academic instructor and has been working with many languages, such as C, C++, Java, C, Perl, and Python. He writes, co-writes, and maintains a number of projects with two of the most prominent learning platforms, coursera-dl and edx-dl, and is dedicated to helping users of Massive Open Online Courses (MOOCs) download materials for their study from MOOC platforms. He is very excited by using the Java language to build Android applications.