Sébastien Zimmer


Before joining Emerton, Sébastien had been for 5 years  as Head of Upstream Gas Infrastructures at the French Energy Regulatory Commission (CRE) where he was in charge of organizing and regulating the French gas market.

Sébastien has built a distinctive expertise in market design, regulated frameworks, remuneration schemes and regulated infrastructures.

He brings high-stake regulatory support to Emerton’s clients in various sectors such as gas & power, renewables, public transportation, on-demand transport. Sébastien successfully led numerous projects in regulation and market design including commercial adaption of regulated services, regulatory due diligence, targeted negotiation support.

Thanks to his direct experience and in-depth expertise of the French gas market and regulatory framework, Sébastien intervenes as an expert in high-stake litigation cases (e.g. price reviews) in gas and LNG long-term contracts.