Vice-Admiral Arnaud Coustilliere left active service on 31 August 2020 after a long career devoted to maritime and digital operations.
He left a strong imprint on the Ministry of the Armed Forces as first COMCYBER (2011/2017) and first DGNUM (2017/2020).
He is currently a Cyber & Digital Senior Advisor to various clusters, organisations and companies; he is particularly dedicated to the promotion of digital trust and the various aspects of cyber defence.
In addition to an onboard maritime career marked by the command of several warships, he has devoted more than twenty years to modernising the Ministry of the Armed Forces’ information and digital systems.
In particular, he was the Navy’s CIO from 2006 to 2008, then in charge from 2009 to 2011 of the creation and ramp-up of the armies’ Cyber Defence capabilities, then its first commander from 2011 to 2017 (OGCYBER-COMCYBER).
Finally, from 2017 to 2020 he created the DGNUM: a veritable “Group CIO” responsible for IT and project governance, ministerial administration of the Ministry’s data, steering its digital security and orchestrating its digital transformation through several major reorganisations.
