Director, DATAGRO, since 2005.

Director of the Brazilian Sugar and Ethanol Exporters Association (AEXA), since 2009

Since 2005, he has been engaged in several Sugar and Ethanol Market Advisory Projects at DATAGRO. Main customers were sugar, alcohol and biodiesel producers, trading companies, banks, fuel distributors, input suppliers, governments and NGOs.

Guilherme Nastari is regular columnist in various technical publications and speaker in conferences in Brazil, USA, UK, Singapore, India, Caribe and Africa.

 - M.Sc. in Agroenergy – Fundação Getúlio Vargas – São Paulo – Brazil

- Bachelor in Economics – IBMEC São Paulo – São Paulo - Brazil

 - 7 years of experience in the Sugar and Ethanol World Markets

- Deep World and Brazilian Renewable Resources Network

 - Trainee experience at Cargill Sugar - Geneva, Switzerland – 2004

- Trainee experience at Cargill Sugar - Hong Kong, China – 2006

- Trainee experience at International Sugar Organization (ISO) –London, UK–2006