Idecsi was founded in Paris in 2011 by Daniel Rezlan and Daniel Benabou after having working for Vente-Privée. They set up Idecsi to deliver the specialized service of CEO email privacy.

Daniel Rezlan, from 2008 to 2011, was an executive board member of Vente-Privee.com, an internet pure player that generated 1 billion euros in turnover. He first held the position of CIO and then as General Manager of Digital Commerce Factory, a subsidiary of Vente-Privee.com, company  in charge of e-commerce service delegations. From 1999 to 2008, Daniel co-founded and worked as the General Manager of Adex group, an IT services company specializied in new technologies, which was ranked in the French IT services company top 100. Adex group was sold to Aubay Group in 2010 after 11 years of continuous profit.

Daniel Benabou studied marketing and management at Ecole Supérieure d'Administration des Entreprises in Paris, before working for Groupe l'Etudiant. Then, for 8 years, Daniel was in charge of the business at  Vente-Privee.