José Manoel Balthazar is visiting full Professor at Federal University of Technology – PR, Ponta Grossa, Brazil, and Senior Professor at São Paulo State University (UNESP, Engineering School, Bauru, SP and full member of ACIESP (Academia de Ciências do Estado de São Paulo). His research interests focus on nonlinear systems and phenomena, nonlinear dynamics, chaos and control, electromechanical Systems (in MACRO, MEMS and NEMS scales) and non-ideal vibrations.