Rubens Ometto Silveira Mello (1950) is a Brazilian businessman and the chair of Raízen and Cosan.Keren Blankfeld, 'Sugar Daddy', in Forbes, March 28, 2011, pp. 94–98BusinessWeekReuters biography He is also the director of UNICA.

Biography 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 Ermírio de Moraes. He sued his family for a decade to own Cosan.

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