Jean-Frédéric Poisson is a French right-wing politician and the president of VIA, the Way of the People. He was mayor of Rambouillet from 2004 to 2007, then became a National Assembly member from 2007 to 2017.

Gérard Philippe René André Larcher is a French politician serving as president of the Senate since 2014, previously holding the office from 2008 to 2011. A member of The Republicans, he has been a Senator for the Yvelines department since 1986, with an interruption between 2004 and 2007, when he was Minister for Employment, Labour and Professional Integration of Young People under President Jacques Chirac. Larcher also served as mayor of Rambouillet from 1983 to 2004 and again from 2007 until 2014.