Viacom International Media Networks The Americas announced today that Fernando Gaston, currently senior vice president of content and creative for MTV, VH1 and Comedy Central Latin America, will expand his role to become brand manager of Tr3s: MTV, Música y Más. He succeeds former Tr3s GM & EVP Jose Tillan. Federico Cuervo, will replace Gaston as brand manager of Comedy Central Latin America. He was vice president, programming and production for MTV, VH1 and Comedy Central Latin America.