France has named Christophe Lemoine as its new Ambassador Extraordinary and Plenipotentiary to Monaco, with the appointment confirmed by the Élysée through a presidential decree signed on August 18 and published in the country's Official Journal the following day. Lemoine is due to take up the post on September 1, succeeding Jean d'Haussonville, who used France's Bastille Day celebrations in Monaco on July 14 to announce that he was stepping down.
Born in 1974, Lemoine arrives with a career built largely inside the French foreign ministry, though it began elsewhere: he started out working for the United Nations High Commissioner for Refugees before moving into French government service. Between 2012 and 2015 he served as chief of staff to then foreign minister Laurent Fabius, a period that put him close to the country's top diplomatic decisions early in his career.
From there his path took him abroad twice. He spent four years as France's Consul General in Los Angeles, from 2015 to 2019, before becoming first counsellor and deputy head of mission at the French embassy in Rome. He returned to Paris in 2023 as deputy director of communications and press at the foreign ministry, and was promoted to director and ministry spokesperson in July 2024, a role that made him the public face of France's diplomatic messaging in the year before his Monaco posting.
Lemoine steps into a relationship that runs deeper than most bilateral postings. France and Monaco cooperate across taxation, social security, policing, healthcare, education and transport, underpinned by more than 200 treaties and agreements between the two states, and tens of thousands of French residents cross the border into Monaco for work each day. The embassy itself is a relatively recent upgrade: France's mission in the principality was raised from a consulate general to a full embassy in 2006, four years after a friendship and cooperation treaty renewed the formal basis of the relationship.