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Gabriel Saint-Paul's practice areas includes venture capital, private equity, M&A, and capital markets. He represents private and public high-growth companies, their managers, and the private equity and industrial investors that finance them at every stage of development from entrepreneurial start-ups to global corporations.

Gabriel's recent experience includes advising technology and life sciences companies Deezer, OuiCar, and Eurobio Scientific and investment funds Demeter, Earlybird, and Hi Inov in transactions.

Prior to joining Jones Day, Gabriel completed several internships in law firms in Paris and Shanghai and at a major infrastructure private equity investment fund in Paris.


  • Elaia Partners participates in €3.5 million financing of NcodiNJones Day advised Elaia Partners in connection with the €3.5 million financing of NcodiN, pioneering tech company specializing in optical interposer technology, aiming to meet demand for innovative technologies to keep up with the pace of High-Performance Computing (HPC) and Artificial Intelligence (AI) workloads.
  • Trill Impact Ventures and Bpifrance co-lead $25 million financing of May HealthJones Day advised Trill Impact Ventures and Bpifrance as lead investors in the $25 million Series B financing of May Health, a French-American medical device company targeting Polycystic Ovary Syndrome (PCOS) related infertility.
  • Elaia Partners and Bpifrance lead €3 million financing of PixacareJones Day advised Elaia Partners and Bpifrance as lead investors in the €3 million financing of Pixacare, an AI-supported wound care monitoring app designed for healthcare professionals.
  • Unseenlabs raises €85 millionJones Day advised Unseenlabs, a France-based company and global leader in maritime surveillance through detection and geolocation of radio frequency signals from space, in its €85 million financing for significant expansion of observation capabilities, strengthening of international presence, consolidation of private sector activities, innovation of new products and solutions, and recruitment of new talents.
  • Foundation Fournier-Majoie and xista science ventures co-lead €2 million seed financing of HEPHAISTOS-PharmaJones Day represented Foundation Fournier-Majoie and xista science ventures in connection with co-leading the €2 million seed financing of HEPHAISTOS-Pharma to industrialize its manufacturing process and prepare for the clinical phases, with the goal of advancing its lead candidate, ONCO-Boost, into clinical development for the treatment of solid tumors with high unmet medical needs, in particular sarcoma.
  • Bpifrance, INCO Ventures and SEB Alliance invest in VulkamJones Day advised Bpifrance, INCO Ventures and SEB Alliance in the €34 million financing of Vulkam, a deeptech company whose mission is to revolutionize metallurgy through the industrial development of amorphous metals.
  • Cellectis and AstraZeneca enter into research collaboration and agree on equity investment of up to $220 million by AstraZenecaJones Day advised Cellectis in connection with the joint research collaboration agreement entered into with AstraZeneca and initial equity investment by AstraZeneca into Cellectis of $80 million.
  • Milliken invests in sustainable carpet maintenance companyJones Day advised Milliken & Company in the investment in Orak, a Paris-based carpet maintenance and flooring reuse company.
  • Quandela raises €50 millionJones Day advised Quandela, the European leader in photonic quantum computing, in raising €50 million from investors, the French government through the France 2030 Plan, and banking partners, allowing Quandela to expedite its international expansion and increase the production of its quantum computers to meet the needs of industrial clients.
  • Contentsquare acquires HeapJones Day acted as French counsel to Contentsquare in the acquisition of Heap, a leading U.S. product analytics platform.
  • Arverne Group combines with Transition to publicly list on Euronext Paris the future French leader in geothermal and low-carbon lithium to drive energy transitionJones Day advised Arverne Group SAS, a French company ("Arverne"), in its business combination with Euronext listed Transition SA to create the future French leader in geothermal and low-carbon lithium production.
  • Bpifrance (SPI fund) participates in €61 million Series C financing of CorWave, together with other investorsJones Day advised Bpifrance (SPI fund) in connection with the €61 million Series C financing of CorWave, a high-tech medical devices company that has developed a next-generation heart pump based on a breakthrough technology, the wave membrane pump, together with other investors.
  • Optium Capital leads Series A financing of BeFCJones Day advised Otium Capital in leading the €16 million Series A financing of BeFC, a French start-up company providing a sustainable paper-based biofuel cell and ecofriendly microelectronics.
  • Bpifrance (SPI fund), GoCapital and NCI invest in ExpliseatJones Day advised Bpifrance (SPI fund), GoCapital and NCI in the €17 million Series B financing of Expliseat, a company specializing in the design and manufacture of innovative lightweight seat technology.
  • True Green Capital Management invests in Faradae SASJones Day advised True Green Capital Management LLC in the acquisition of a controlling interest in Faradae SAS, an independent renewable power producer based in Lyon, France, that targets French real estate investment trusts ("REITs") and other corporate customers for solar installations.
  • For Talents invests in Altavia GroupJones Day advised For Talents in its minority stake investment in Altavia Group, the world’s leading network dedicated to marketing services for the retailers.
  • Portage and Orange Ventures lead €37 million Series C financing of MooncardJones Day advised Portage and Orange Ventures as lead investors in connection with the €37 million Series C financing of Mooncard, the French leader in the automation of corporate spend, in which historical investors Aglaé Ventures, BlackFin Capital Partners, Partech Partners and RAISE Ventures also participated.
  • Mozoo Group sold to Olyn GroupJones Day advised Mozoo Group and its shareholders in the sale of Mozoo Group to Olyn Group.
  • Uniphore Technologies acquires HexagonJones Day advised Uniphore Technologies, a provider of conversational artificial intelligence and automation, in the acquisition of Hexagone, which fuses voice, visual, and text-based data to provide AI-derived insights to help better understand human behavior.
  • SAS and XAnge invest in OmieJones Day advised SAS and XAnge in the €15 million Series A round of financing of Omie, a French foodtech company.