Orly Zucatto Mantovani de Assis is a pedagogue and started her career as an elementary school teacher in the municipality of Amparo-SP. During this period, he was interested in understanding what was happening to the students when they showed that they did not retain what they had been told about elementary mathematics. He then devoted himself to studying and deepening development and learning in a Piagetian perspective, having completed his doctorate in 1976 from UNICAMP. Her research proved that a process, named by the Researcher of the Environmental Request Process and characterized by changes in the physical environment of the room, the daily structure of activities, the conduct of the teacher, the way interpersonal relationships are processed and the type of activity and material. offered to the student, favors the child's development in its cognitive, affective, social and psychomotor aspects. This process, called PROEPRE-Preschool Education Program-initially, and laterChildhood and Elementary Education Program, based on Piagetian theory, was implemented in more than twenty State Education Departments and Municipal Education Departments in countless cities of the Federal District, São Paulo, Minas Gerais , Pará, Mato Grosso do Sul, Mato Grosso, Piaui. From 1992 onwards, PROEPRE teacher training courses were offered annually by the UNICAMP Extension School, with more than 140 classes to date. Since 1983, Professor Orly has coordinated the Laboratory of Genetic Psychology of the Faculty of Education of UNICAMP and the CNPq research group, having guided over 130 papers between theses, dissertations, course completion and scientific initiation works. It was in 1994, on the occasion of the III International Symposium on Genetic Epistemology, held in Águas de Lindóia-SP and organized by Professor Orly, that Juan Delval was in Brazil for the first time, bringing, at that time, unusual data about his research regarding social knowledge. Professor Orly is currently acting as a teacher of the Graduate Program in Education at UNICAMP and continues to coordinate LPG and PROEPRE teacher training courses.