Classius Ferreira da Silva is a chemical engineer (Universidade Estadual de Maringá), has a master's degree in food engineering (Universidade Estadual de Campinas), and a Ph.D. in chemical engineering (Universidade Estadual de Campinas). He is currently an associate professor at the Universidade Federal de São Paulo (UNIFESP). He has developed research on biopolymers applied in drug delivery systems and films for dressings and packaging systems.