Rubens OmettoBrazilian businessman / From Wikipedia, the free encyclopedia Rubens Ometto Silveira Mello is a Brazilian businessman and the chair of Raízen and Cosan.[1][2][3] He is also the director of UNICA.[2][3]
Rubens Ometto Silveira Mello is a Brazilian businessman and the chair of Raízen and Cosan.[1][2][3] He is also the director of UNICA.[2][3]