Presidents Gallery
2017 onwards
Esteves Pedro Colnago
Agronomist Engineer
2016/2017
Eduardo Ledsham
Geologist
2011/2016
Manoel Barretto
Geologist
2003/2011
Agamenon Sérgio Lucas Dantas
Geologist
2000/2003
Umberto Raimundo Costa
Geologist and PhD in Geology
1999/2000
Geraldo Quintas
Geologist
1990/1999
Carlos Oití Berbert
Geologist and Postgraduated in General and Stratigraphic Geology
1989/1990
José Eduardo Machado
Geologist and Master in Economic Geology
1985/1989
José Carlos Bôa Nova
Geologist
1984/1985
Salvador Gonçalves Mandim
General
1979/1984
José 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