In 1961, Bozano formed financial services firm Grupo Bozano with Mario Henrique Simonsen. He later co-founded Banco Bozano Simonsen, Rio de Janeiro, Brazil-based investment bank, which was acquired by a Spanish bank Santander in 2000, where Bozano made his major part of fortune. In 1986, he started horse breeding farm, Haras Santa Maria De Araras, through which he reportedly owns more than 300 mares. In 2014, Bozano Investimentos set up a new private equity fund, which buys shares in companies, of RS 800 million (or US $ 309 million) focused on the education sector.