Elected Mayor of Châtenay-Malabry on 25 June 1995, a position he held until May 2020. General Councillor (1992-98) and Vice-President (1995-98) of the Hauts-de-Seine General Council – UMP Member of Parliament for Hauts-de-Seine (2002-05 and 2009-10), replacing Patrick Devedjian, who had been appointed to the Government – President of the Hauts-de-Bièvre urban community (since 2005) – Member of the National Assembly’s Committee on Constitutional Law, Legislation and General Administration (2009-10) – General Councillor of Hauts-de-Seine (2011-15) – Vice-President of the Grand Paris Metropolis (since 2016) – 1st Vice-President of the Hauts-de-Seine Departmental Council (2015-20) – Elected President of the Hauts-de-Seine Department on 25 May 2020 and Municipal Councillor of Châtenay-Malabry since 28 May 2020 – Re-elected Departmental Councillor of Hauts-de-Seine on 27 June 2021, and re-elected President of the Hauts-de-Seine Department on 1 July 2021. Re-elected President of Paris La Défense on 12 July 2021.