Paleontologist, researcher and professor doctor of Geosciences Institute of USP. Exhibition curator as "Dinos in the Oca" held in 2006 in Ibirapuera Park and author of several books such as "Dinos do Brasil", aimed at children and youth, and "O guia completo dos dinossauros do Brasil" both finalists of the Jabuti prize, awarded the Highly Commended National Children's Book and Youth Foundation (FNLIJ) seal and selected for the exhibition in Bologna.