I came over information some time ago that Gotti´s sponsor was Joe N Gallo, the consigliere. So I wouldn´t be surprised if it was actually Gallo who oversaw Gotti´s induction ceremony. As the boss of the Family, Castellano may have very well have been the one who oversaw the induction ceremony though. There was some "bad blood" between Castellano and Dellacroce I´m sure, but the really serious rift came later with the tapes and around the time when Dellacroce started to talk about "hitting the mattresses".