Bruno Sanglé-Ferrière is the director of Marbeuf Conseil and Carrousel Digital, two companies based in Paris specialising in data security and energy innovation. Marbeuf Conseil et Recherche and Bruno Sanglé-Ferrière have been granted numerous patents in the field of data security, post-quantum data security, quantum data transmission, quantum sensing and energy recycling.

Bruno Sanglé-Ferrière is a graduate of the Ecole Centrale-Supelec (1990), and worked in the finance industry in Japan, Spain and the United Kingdom until 2018 when he started to focus on technology under the name Carrousel Digital.