Didier Marc Robert Lesteven is a French businessperson who has been the head of 10 different companies and presently holds the position of Chief Operations Officer for Wallix Group SA.

In the past Mr. Lesteven occupied the position of Chairman & General Manager at Total Immersion SA, Chairman for Stantum SAS, Chairman & Chief Executive Officer at Global SP, Chairman of Caisse Crédit Mutuel Draveil Seine Sénart, Chief Operating Officer at InfoVista SAS, Chairman for Open-Plug SA, Chairman at Neteven SA, Chairman of New Media Plus SA, President & Chief Executive Officer for Medialive SA, General Manager-France Division at 3com Megahertz Corp., Global Account Manager at Hewlett-Packard France SAS and Executive Vice President at Sterling Commerce France SARL.

He received a graduate degree from Ecole des Dirigeants & Createurs d'Entreprise.