Presidents Gallery

2017 onwards
Esteves Pedro Colnago
Agronomist Engineer
2016/2017
Eduardo Ledsham
Geologist
2011/2016
Manoel Barretto
Geologist
2003/2011
Agamenon SÚrgio Lucas Dantas
Geologist

2000/2003
Umberto Raimundo Costa
Geologist and PhD in Geology

1999/2000
Geraldo Quintas
Geologist

1990/1999
Carlos OitÝ Berbert
Geologist and Postgraduated in General and Stratigraphic Geology


1989/1990
JosÚ Eduardo Machado
Geologist and Master in Economic Geology

1985/1989
JosÚ Carlos B˘a Nova
Geologist

1984/1985
Salvador Gonšalves Mandim
General

1979/1984
JosÚ Raimundo de Andrade Ramos
Geologist and Metallurgist, Civil and Mining Engineer


1974/1979
Yvan Barretto de Carvalho
Engineer

1970/1974
Ronaldo Moreira da Rocha
Lawyer