Founder of KM5 Capital SARL, Stéphane Boujnah currently is Chairman of Insula Orchestra, Chairman for En Temps réel and Chairman-Managing Board & Group CEO at Euronext NV, Non-Executive Chairman at Irish Stock Exchange Ltd. (a subsidiary of Euronext NV).

He is also on the board of Accentus LLC and Paris Europlace.

In his past career Mr. Boujnah held the position of Member of Commission pour la Libération de la Croissance, Chief Investment Officer at VPSA SAS, Director-European M&A at Credit Suisse First Boston Corp., Managing Director at Deutsche Bank AG (France) and Director-European M&A at Credit Suisse First Boston Europe Ltd.

He received an undergraduate degree from Sciences Po, a graduate degree from the University of Kent, an MBA from INSEAD and an undergraduate degree from University Paris-Sorbonne (Paris IV).