Mario Reis is an Associate Professor at the Fluminense Federal University in Rio de Janeiro, Brazil, where he leads a research group comprised of graduate students and postdoctoral researchers. Prof. Reis received his PhD in 2003, from the Brazilian Center for Research in Physics (Rio de Janeiro) and the University of Aveiro (Portugal), focusing on both the experimental and theoretical aspects of Condensed Matter Physics. He completed his Master’s degree in 2000 at CBPF and his undergraduate degree in 1998 at UFRJ, both in Physics. In 2002, Prof. Reis stayed at Seville University, Spain, as a Distinguished Researcher; and he has also undertaken some short-term academic visits in other countries, including Portugal and Chile. Currently, his research explores quantum and classical caloric effects, molecular magnets, quantum information in magnetic materials, and nanomagnetism. Prof. Reis keeps a regular international scientific cooperation with several international universities, including countries such as Chile, EUA, Russia, China, Spain, Portugal and Brazil. His contributions to the field include: two books on Magnetism and over a hundred articles in peer-reviewed international journals. Additionally, he serves as the Editor-in-Chief of Physica B: Condensed Matter, an international Journal published by Elsevier.