Jean Gabriel Tramoni

Quantonation Ventures (Quantonation) is a venture capital firm founded in 2018. The firm is headquartered in Paris, France.

Inspek SAS is a French company that specializes in next-generation chemical monitoring systems. The company is based in Palaiseau Cedex, France. The company's technology uses Raman-on-a-chip integrated photonic sensors to provide accurate and reliable chemical analysis.

Pixel Photonics GmbH is a German company that specializes in building scalable high-performance single-photon detectors based on superconducting nanowires. The company is based in Münster, Germany and was founded in 2020. The company's table top detection system is efficient and comes with a cryostat and electronics combined at the table top with a separated helium compressor. The company aims to redefine single photon detection and offer numerous functionalities such as high scalability, top efficiency, timing resolution, counting at high speed, photon number resolving, and high signal to noise ratio. The company's technology is used in a wide range of applications including mapping and surveying, robotics, and environmental monitoring. The CEO is Nicolai Walter.

Quandela SAS develops quantum computing platform based on photonic qubit generator. Its products are sold under the trademarks of eDelight, QFiber, and QuandeLAB. The company was founded by Pascale Mardon Senellart, Valérian Giesz, and Niccolo Somaschi in 2017 and is headquartered in Palaiseau, France.

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.

Ansa Environmental Services Ltd. specializes in cost-effective development and maintenance of facilities to increase usage and attractiveness. The company is based in Middlewich, UK. The British company collects and disposes of recycling and waste from over 165,000 residential and commercial premises. Ansa Environmental Services is a subsidiary of Cheshire East Council and ultimately controlled by the Council of Cheshire East. The company was founded in 2013. The CEO is Kevin James Melling.