[1][2] He graduated from the École Spéciale des Travaux Publics, and he earned a master of advanced studies degree in mathematics from the University of Nice Sophia Antipolis.
[1] Tonelli served as the interim Minister of State after Michel Roger fell ill in December 2015,[3] up until Serge Telle was appointed as his successor in February 2016.
Tonelli succeeded José Badia as the Monegasque Minister of Foreign Affairs and Cooperation in February 2015.
[1][2] In a speech at the Headquarters of the United Nations in October 2015, he reiterated Monaco's fight against extremist violence and money laundering as well as ethnic cleansing and genocide.
[4] Since November 2016, he has also begun negotiations for an agreement between Monaco and the European Union to enable Monegasque subjects to work and study in E.U.