Prior to his election to the National Assembly in
2017, Mignola served as Deputy Mayor of
La Ravoire from 1995 and then won the mayorship in
2001. From 1998 to 2010, he was elected to the
General Council of
Savoie for the
canton of La Ravoire. From 2016 to 2017, he also held one of the vice presidencies of the
Regional Council of Auvergne-Rhône-Alpes under the presidency of
Laurent Wauquiez. In Parliament, Mignola served on the
Committee on Sustainable Development and Spatial Planning. He also served as a member of the
Finance Committee (2017–2018), the
Committee on Social Affairs (2017–2020) and the
Committee on Cultural Affairs and Education (2018–2019). In addition to his committee assignments, he was a member of the French-Italian Parliamentary Friendship Group. When
Marc Fesneau joined the government in October 2018, Mignola was elected to the presidency of the
Democratic Movement and affiliated group. Under his leadership, the group grew in size as members of other groups joined the MoDem group. In May 2022, Mignola – together with
Stéphane Séjourné for the
Renaissance and
Gilles Boyer for
Horizons – negotiated the agreement leading to the creation of
Ensemble, a coalition of the parties forming the presidential majority, including on the financial distribution between them. In the
2022 legislative election, Mignola ran for reelection but
lost his seat against
Jean-François Coulomme of
La France Insoumise. ==Political positions==