The start-up Ami Labs (Advanced Machine Intelligence), founded by French researcher Yann LeCun (former Chief Scientist at Meta and winner of the 2018 Turing Award), became a unicorn as soon as it was created. It will be led by Alexandre Lebrun. He is the co-founder of the medical AI start-up Nabla. He is also a 1994 graduate of the École Polytechnique. The goal at Ami Labs is to develop the next generation of artificial intelligence capable of understanding the world around us: ʻworld modelsʼ.
In early 2025, Roxana Rotaru teamed up with her business partner to launch Hedi, a start-up specialising in next-generation insurance fraud detection. With the backing of X-Up, the incubator at École Polytechnique, she was able to transform an idea that had occurred to her during a fondue dinner with friends into a reality. Read on to discover her journey, from her native Romania to her formative experiences at Veolia and SNCF, and her passions.
Entrepreneurship, Corporate relations, Innovation, Sustainable Development
Radiant is a rapidly growing green tech start-up that specialises in producing carbon-free heat for industrial use. It won first prize in the European Stage Two competition, representing École Polytechnique, and successfully raised funds at the end of last year. Meet its two founders: Thomas Delhon, an aerospace engineer, and Alexandre Meurisse, a former PhD student at the German Aerospace Center (DLR) laboratories. They received support from École Polytechnique's X-UP incubator, which provided a springboard for their success.
From spring 2026, École Polytechnique's X-UP incubator will offer honor loans for the deep tech projects it hosts and supports. These honorary loans, supported by École Polytechnique’s Foundation and averaging €40,000 per project, will finance the start-ups' priority operations, leverage other funding, and accelerate the growth of the projects concerned.
Arthur Mensch (X2011), co-founder and CEO of Mistral, the French AI gem, came to meet École Polytechnique students for a talk on entrepreneurship and the implications of AI, two topics which he addressed by echoing his School's motto: “For the Nation, for Sciences, and for Glory.”
Brevo, founded in 2007 by Armand Thiberge (X2002) and now part of the exclusive club of French unicorns, those start-ups valued at over €1 billion. Pennylane, co-founded in 2020 by five alumni of the École Polytechnique and already a unicorn, will end 2025 by becoming a centaur, exceeding €100 million in revenue.
International, Entrepreneurship, Corporate relations, Innovation, Sustainable Development
From 21 to 24 October, Seoul host one of the most important events in the electronics and IT industry calendar: the Korea Electronics Show (KES). During the event, Tinental, a start-up founded by Elin Flyger and Nicolò Luppi, received the ESG (Environmental, Social & Governance) Innovation Award. This green technology company aims to reduce energy consumption at industrial sites using artificial intelligence.
Entrepreneurship, Corporate relations, Innovation, Sustainable Development
The École polytechnique incubator is launching its 1st network events, Ecosystem Days, themed and open to all innovation players. On 30 November, the first event will focus on intellectual property and legal issues. We look forward to seeing you there!
The École polytechnique incubator is launching its 1st network events, Ecosystem Days, themed and open to all innovation players. On 30 November, the first event will focus on intellectual property and legal issues. We look forward to seeing you there!
The École polytechnique incubator is launching its 1st network events, Ecosystem Days, themed and open to all innovation players. On 30 November, the first event will focus on intellectual property and legal issues. We look forward to seeing you there!
French artificial intelligence champion Mistral has almost doubled its valuation to €11.7 billion following a new round of fundraising that saw Dutch semiconductor manufacturing equipment giant ASML acquire a stake in the company.
Marc Gillmann is the new Director of Entrepreneurship and Innovation at École Polytechnique. His mission is to consolidate the success, appeal, and influence of the X-Novation Center, which includes École Polytechnique's incubator, as well as a Fablab, and multiple services related to innovation.