Philippe Gustin

Philippe Michel Gustin is a French civil servant and former diplomat who has served as chief of staff to prime minister Sébastien Lecornu since 2025.
From 2020 to 2022, he served as chief of staff to Lecornu as minister of the overseas. From 2022 to 2023, he served as chief of staff to Lecornu as Minister of the [Armed Forces (France)|minister of the armed forces]. From 2024 to 2025, he served as chief of staff to agriculture minister Annie Genevard. From 2023 to 2024, he served as prefect of Brittany. From 2018 to 2020, he served as prefect of Guadeloupe. In the 2017 French [legislative election|2017 legislative election], he was a candidate for the National [Assembly (France)|National Assembly] in the seventh constituency for citizens abroad. From 2012 to 2014, he served as List of ambassadors of [France to Romania|ambassador to Romania]. From 2009 to 2012, he served as chief of staff to education minister Luc Chatel.