He was promoted to colonel and became deputy commander of the Carabinieri Region of Piedmont and Valle d'Aosta at the orders of General Francesco Delfino.
Among the reactions to his appointment was that of then Defense Minister Ignazio La Russa, who said: " It was a very difficult choice because more than one generals were at the same level of degree and capacity and it was hard It was a weighted choice, on my proposal, welcomed by the entire Council of Ministers, who expressed great appreciation for the new general commander of the Leonardo Leonardo Gallitelli."
Democratic Party Defense and Security Officers Roberta Pinotti and Marco Minniti expressed "Great appreciation for the nomination to Commander-in-Chief of the Carabinieri, an excellent choice for expertise and experience.
He formally ended his military service on 16 January 2015 when he was replaced as commander by General Tullio Del Sette.
In November 2017, Silvio Berlusconi suggested Gallitelli could serve as Prime Minister of Italy if a scenario in which Forza Italia formed a coalition following the 2018 general election.