Sébastien Poniatowski
President of the inter-municipal authority CC de la Vallée de l'Oise et des Trois Forêts
Photo: Sebleouf · CC BY-SA 4.0 (new tab) · Wikimedia Commons (new tab)
President of the inter-municipal authority CC de la Vallée de l'Oise et des Trois Forêts
In brief
Sébastien Poniatowski has been President of the inter-municipal authority CC de la Vallée de l'Oise et des Trois Forêts since March 15, 2026.
He is also mayor of L'Isle-Adam.
Previous roles on record: Mayor of L'Isle-Adam (2020–2026) and Mayor of L'Isle-Adam (2014–2020).
Current roles
- President of the inter-municipal authority CC de la Vallée de l'Oise et des Trois Forêts since March 15, 2026 Sources : National register of elected officials, file of Aug. 11, 2026 (new tab)
- Mayor of L'Isle-Adam since March 21, 2026 Town profile : L'Isle-Adam Sources : National register of elected officials, file of Aug. 11, 2026 (new tab)
Declared occupational category : Profession libérale
Previous roles
- Mayor of L'Isle-Adam 2020–2026
- Conseiller municipal de L'Isle-Adam 2020–2026
- Mayor of L'Isle-Adam 2014–2020
- Conseiller municipal de L'Isle-Adam 2014–2020
Taken from Wikidata, consulted on Oct. 3, 2026.
Official links
Sources
- National register of elected officials, file of Aug. 11, 2026 (new tab)
- Wikidata, consulted on Oct. 3, 2026 (new tab)
Profile checked on Oct. 3, 2026.
Public and professional information only, taken from the sources cited; no address, no personal phone number, no date of birth. To request a correction or the removal of this profile: contact form