Since 2006, Nicolas de Warren has been director of institutional relations at Arkema, the French leader in chemicals and advanced materials. Since June 2019, Nicolas de Warren has been president of Uniden (Union of Energy Using Industries).

It intervenes, both in France and in Europe, in all areas relating to industrial competitiveness (energy, environment, R&D, taxation and regulation).

Within Elf Atochem, then Atofina since 1991, he spent four years in international management in charge of acquisitions, then eleven years in charge of Business Units in the field of acrylics and then oxygenates.

From 1984 to 1991, he followed the mechanical equipment sectors, then the automobile sector, and after that he was a technical advisor, in charge of heavy industries and the environment, in the office of Roger Fauroux, Minister of industry (1988-1991).

Nicolas de Warren has a degree in law and was a former student of the Paris Institute of Political Studies and the ENA National School of Administration (1984).

He is a member of the Chemical Arts Committee of the Society for the Encouragement of National Industry.