Rubens Ometto Silveira Mello (1950) is a Brazilian businessman and the chair of RaÃÂzen and Cosan. He is also the director of UNICA.
Rubens Ometto Silveira Mello was born in Piracicaba, Brazil. He attended the University of São Paulo and interned with Unibanco. After college, he became a financial director for the Votorantim Group, thanks to his mentor Antônio ErmÃÂrio de Moraes. He sued his family for a decade to own Cosan.