After six years at Bull and four years at KPMG, Gilles Arditti joined Atos in 1990, where until 2006 he was, successively, Director of Mergers & Acquisitions, Director of Finance and Human Resources for Atos Origin in France, and Chief Financial Officer of France, Germany and Central Europe. In 2007, Gilles Arditti became Head of Investors Relations for the Atos Group, a position he still holds. Since February 2020, he is also Head of Internal Audit. In March 2014, he was appointed Group Head of Mergers & Acquisitions and member of the Executive Committee. Since June 2014, Gilles Arditti is member of the Board of Directors of Worldline. Holding a master’s degree in Finance from the University Paris-Dauphine and a master’s degree in International Finance from HEC Paris, Gilles Arditti is also graduated from the engineer school École Nationale Supérieure de Techniques Industrielles et des Mines d’Alès (ENSTIMA) and is a Certified Public Accountant (CPA).