In September , Renzi participated in the 2014 NATO Summit in Wales . Before the official start of the summit , he had discussions with Ukrainian President Petro Poroshenko , US President Barack Obama and the other three leaders of the European G4 to discuss the crisis with Russia . This summit was the first held after the Russian military intervention in Ukraine and the offensive by the Islamic State of the Caliph Abu Bakr al-Baghdadi
2014 NATO Summit
2014 Wales summit
Matteo Renzi