Environmental consultant for Milaré Advogados since 2015;
Technical Advisor to the Office of the Director General of the Forestry Institute (1979/2014);
Technical Advisor of the Office of the Secretary of Environment of the State of São Paulo (1992/1993);
Director-General of the Forestry Institute (1987/1991);
Coordinator of the Coordinator of Natural Resources Protection – CPRN/SMA (1989/1991);
Agronomist/Scientific Researcher for the Forestry Institute, Agriculture Secretariat (1974/1986) and Environment (from 1987 on).