He was born in the city of São Paulo, 1957. His childhood was in a countryside (small farm), in Caieiras, a city near São Paulo. He studied most of the time in public schools (in a fundamental school named "Otto Weiszflog", Caieiras, in an high-school named "Walther Weiszflog", Caieiras, and obtained his undergraduate and master degrees in physics at the University of São Paulo, city of São Paulo). He obtained his Ph.D. in Chemistry at the California Institute of Technology (Caltech), Pasadena, EUA (1981-1986). Before coming to Unicamp, in 1987, he worked at the Advances Studies Institute, at the Aerospace Technical Center, in São José dos Campos, São Paulo. He is a full professor in Atomic and Molecular Physics at the Physics Institute of UNICAMP since 1998. He gave several invited talks in many country's along his career. He is a theoretician and he works with electron and positron-molecule scattering theory and applications. He was the adviser (and co-adviser) of more than 15 Ph.D. students (3 students in the Aeronautic Institute of Technology). He was the first director (2008-2012) of the Brazilian Bio-Ethanol Science and Technology National Laboratory (CTBE-CNPEM), www.bioetanol.org.br. He received twice (in 2001 and 2013) a academic recognition prize called "Zeferino Vaz" from UNICAMP. In 2015, he was elected a permanent member of the State of São Paulo Academy of Science. He is a CNPq researcher 1A.