Joseph Bonanno
"Ciaschiteddu" Greco was present at a series of meetings between top American and Sicilian mafiosi that took place in Palermo between 12–16 October 1957, in hotel Delle Palme in Palermo. Joseph Bonanno, Lucky Luciano, John Bonventre, Frank Garofalo, Santo Sorge and Carmine Galante were among the American mafiosi present, while among the Sicilian side there were – apart from the Greco cousins – Giuseppe Genco Russo, Angelo La Barbera, Gaetano Badalamenti, Calcedonio Di Pisa and Tommaso Buscetta.