Sophie Paturle-Guesnerot

Demeter Partners SA (Demeter Partners) is a French private equity firm which was founded in 2005 by Sophie Paturle-Guesnerot and Stéphane Villecroze and is majority-owned by the management team. Headquartered in Paris with an additional office in Madrid, Demeter Partners has partnerships with English, German and Spanish funds which are involved in their sectors and are also members of international networks of investors specialized in 'clean technologies'. The firm manages the Demeter Fund, sponsored by the Caisse des Dépôts (CDC Entreprises) and the Institut Français du Pétrole (French Petroleum Institute) for institutional investors including life insurance companies, health insurance companies, pension funds and sophisticated private investors.

Aledia SAS develops and manufactures light-emitting diodes. Its products are based on 3D architecture using gallium-nitride-on-silicon microwires. The firm's technology uses silicon wafers and existing complementary metal-oxide semiconductor wafer-fabrication processes and tools, enabling production of LED chips. The company was founded by Giorgio Anania, Philippe Gilet, and Xavier Hugon in 2011 and is headquartered in Grenoble, France.

France Invest is a French association of investors for growth that supports private equity as a lever for business creators and managers to achieve growth. The private company is based in Paris, France and was founded by Maurice Tchenio. The association is at the heart of the economy and aims to share the value created by supporting companies in their innovation and energy transition efforts.

Heurtey Petrochem SA operates as a petroleum industry, which supplies fired heaters, cracking furnaces, reforming furnaces and related technologies. It offers a range of services, including feasibility studies and estimating, basic design, technical assistance, revamping projects and spare parts sourcing. The company was founded in 1953 and is headquartered in Rueil-Malmaison, France.

Crédit du Nord SA engages in offering a day-to-day banking service in English for international clients in France. It provides financial services except insurance and pension funds. The company was founded in 1760 and is headquartered in Lille, France.

PricewaterhouseCoopers France provides accounting and business management consulting services. It offers expertise in auditing, financial strategy, legal advise, and investment. The company was founded on May 30, 1963 and is headquartered in Neuilly-sur-Seine, France.

Cleantech Club AFIC operates investment clubs.

France Brevets SAS is a sovereign wealth fund. The private company is based in Paris, France. The French company was founded in 2011. Didier Patry has been the CEO of the company since 2016.