Dr. Mateus de Souza Amaral received a Ph.D. from the University of São Paulo, Brazil and He is an Assistant Professor of Industrial Chemistry and Environmental Engineering at Federal University of Ouro Preto, Brazil. He specializes in biofuels, focusing on microalgae cultivation and biodiesel and bio-crude oil production. His current research is in hydrothermal liquefaction and hydrothermal carbonization to convert wet solid wastes and microalgae biomass into bio-crude oil and biochar, as well as adding value to the aqueous phase from hydrothermal process in the context of biorefineries.