David Krieff is a graduate of the Ecole Centrale Paris (2000) and the Ecole Nationale d'Administration (2011). Starting in the USA as a researcher, he then managed digital transformation projects in France for companies in the transport (RATP) and finance sectors (AXA, CNP, CDC). He joined the public sector in 2011, where he worked for the Ministry of Economy as Finance inspector. He conducted numerous audits and advisory work for the French Ministers, taking advantage of the large amount of data at the disposal of the State. In 2019 he joined ADP's information systems department as deputy chief information officer. He is in charge of data valorisation (big data, dataviz, analytics) and international development.