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Register today and save on Trellis Impact 25 — bringing together VERGE, Bloom, and GreenFin, Oct 28-30 in San Jose, CA.

Jean-Christophe Lambert

CEO and Co-Founder
Ascendance
Jean-Christophe holds an engineering degree and a Master in Business from HEC & ISAE Supaero. He has more than 15 years’ experience in the aerospace and defense industries, including 10 years at Airbus, in business development and as a Bid Manager, Team Manager and Chief of staff before becoming fully involved in the development of sustainable aviation. In 2014 he joined the E-Fan team to lead the historic Channel crossing project as Program Manager. It made him aware of the impact of electric and hybrid technologies in aviation and the scale of the challenges to be met on all issues related to their certification, industrialization and sales.

Jean-Christophe has been the CEO of Ascendance since 2018, developing solutions for a cleaner and more sustainable aviation including both VTOL aircraft and hybrid-electric propulsion technologies.

He was recently awarded the High Five Award by the European CleanSky program, which recognizes 5 personalities in the aeronautics industry working to make the industry more sustainable. For 2023, Jean-Christophe was also selected as one of the ten French Young Leaders by the Young Leaders program of the French-American Foundation.

Participated in

session

Cleared for Takeoff: Designing the Next Decade of Climate-Ready Aviation

October 28, 2025
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