D'Annunzio has produced events for six of the last seven presidents of the United States, including the President Obama acceptance speech in Grant Park.
Dr Magubane o bile le dipontsho tse pedi tse bontshitseng ditshwantsho tse 100 tsa Nelson Mandela, ka nako e nngwe sebokeng sa dinaha tsa matjhaba a kopaneng Poland, moo dipontsho di ile tsa bulwa semmuso ke mopresidente wa mehleng wa Polish Lech Walesa.