What is Sergio Mattarella?
{{Infobox Officeholder | honorific-prefix = [[His Excellency]] | name = Sergio Mattarella | honorific-suffix = [[Order of Merit of the Italian Republic|OMRI]] [[Italian Order of Merit for Culture and Art|OMCA]] [[KBE]] | image = Sergio Mattarella Presidente della Repubblica Italiana.jpg | office = 12th [[President of Italy]] | primeminister = [[Matteo Renzi]]<br>[[Paolo Gentiloni]]<br>[[Giuseppe Conte]]<br>[[Mario Draghi]]<br>[[Giorgia Meloni]] | term_start = 3 February 2015 | term_end = | predecessor = [[Giorgio Napolitano]] | successor = | office1 = [[Constitutional Court of Italy|Judge of the Constitutional Court]] | appointer1 = [[Italian Parliament]] | term_start1 = 11 October 2011 | term_end1 = 2 February 2015 | office2 = [[Italian Minister of Defence|Minister of Defence]] | primeminister2 = [[Massimo D'Alema]]<br>[[Giuliano Amato]] | term_start2 = 22 December 1999 | term_end2 = 11 June 2001 | predecessor2 = [[Carlo Scognamiglio]] | successor2 = [[Antonio Martino]] | office3 = [[Deputy Prime Minister of Italy]] | primeminister3 = [[Massimo D'Alema]] | term_start3 = 21 October 1998 | term_end3 = 22 December 1999 | predecessor3 = [[Walter Veltroni]] | successor3 = [[Gianfranco Fini]] | office4 = [[Italian Minister of Education|Minister of Public Education]] | primeminister4 = [[Giulio Andreotti]] | term_start4 = 22 July 1989 | term_end4 = 27 July 1990 | predecessor4 = [[Giovanni Galloni]] | successor4 = [[Gerardo Bianco]] | office5 = [[Italian Minister for Parliamentary Relations|Minister for Parliamentary Relations]] | primeminister5 = [[Giovanni Goria]]<br>[[Ciriaco De Mita]] | term_start5 = 28 July 1987 | term_end5 = 22 July 1989 | predecessor5 = Gaetano Gifuni | successor5 =