Mr. Guy Mamou-Mani is a Co-Chairman & Deputy Chief Executive Officer at Groupe Open SA, an Associate Director at SCI SMS 2006, a Chairman at Gadax SAS, a Co-Chairman at Open SAS, a Director General at La Netscouade SAS, a Manager at Aneljoadel Sc, a Managing Director at PEA Consulting SAS and a President & Director at Groupe Open PSF Luxembourg.

He is on the Board of Directors at Conseil National du Numérique, MiddleNext, New Technology Network Team Rotterdam BV and Groupe Open PSF Luxembourg. Mr. Mamou-Mani was previously employed as an Independent Director by Toupargel Groupe, a Chairman by Syntec Numérique, a Chairman & Chief Executive Officer by CSC France SA, a President & Director by Groupe Open Belgium SA, a Chairman by Mco Finances SAS, a Member-Supervisory Board by Open Shanghai Ltd., a Chairman by Qualitech SAS, a Chairman by Sylis France SAS, a Member-Supervisory Board by Sylis Nederland Holding BV, a Chairman-Supervisory Board by Sylis SA, a Chairman by TEAMLOG Consulting SAS, and a Co-Chairman by TEAMLOG SA.

He also served on the board at CSC Computer Sciences SAS.