Sylvie Esparre was appointed to the Board of Auditors by Sovereign Order No. 7.079 of 10 September 2018, as a successor to Hubert Poyet, who had resigned.

Following her appointment, Sylvie Esparre was sworn in by H.S.H. the Sovereign Prince.

Sylvie Esparre was formerly a Senior Counsellor at the French Court of Auditors and is now an Honorary Senior Counsellor at that Court.