As the club chairman, he made a contract with Media Sports Investments, controlled by Kia Joorabchian, and with the Russian oligarch Boris Berezovsky as one of its investors. Renato Duprat is his right arm. With MSI's aid, Dualib contracted many stars for Corinthians, like: Carlos Tevez, Nilmar Honorato da Silva, Javier Mascherano, Marcelo Mattos, Roger, Gustavo Nery, Carlos Alberto and others.