Eng. Francisco Loffredo Neto held the position of Commercial Manager and later Director of the Division of Food Equipment of Gumaco Industria e Comércio Ltda from 01/04/1976 to 09/03/1999, when he left the company.
Eng. Ismael Carlos Biagioni started in 1981 as a trainee at Gumaco Industria e Comércio Ltda., and became an employee in the position of Installation Engineer on 09/02/1982. In 1986 he was promoted to Manager of Installations and Technical Assistance and in 1989 promoted to Manufacturing Manager, a position he held until 06/14/2000 when he left the company.
Eng. Aldo Luís Colli, worked at Gumaco Indústria e Comércio Ltda from 1991 to 2000 where he held the positions of process engineer and engineering supervisor. He moved in 2000 to Cliffstar Corporation in New York State, where he worked until 2003.