Jayme Vaz, Jr.: B. Sc. (1987) and M. Sc. (1990) degrees in Physics from University of São Paulo (USP), Brazil, Ph.D. in Applied Mathematics (1993) and Habilitation in Mathematical Physics (1999) degrees from University of Campinas (Unicamp), Brazil. Since 1995, member of the academic staff of the Department of Applied Mathematics of the Institute of Mathematics, Statistics and Scientific Computations (IMECC) of Unicamp. Formerly director of IMECC (from 2006 to 2010). Research interests cover the area of Mathematical Physics, especially Clifford Algebras and their applications. Associate Editor of the journal Advances in Applied Clifford Algebras.
Roldão da Rocha, Jr.: Bachelor in Physics and Mathematics (1998), M.Sc. in Mathematics (2000) and Ph.D. in Physics (2005) at Campinas State University, Brazil. Post-Doctoral studies in the Theoretical Physics Institute, São Paulo, 2006-2007. Associate Professor at the Center of Mathematics of ABC Federal University, Brazil, wherein he has been working since 2007. In 2014 he spent the sabbatical year at the International School for Advanced Studied (SISSA), Trieste, Italy. Author of around 100 papers, on Mathematical-Physics, Gravity and Field Theory.