Thierry joined Amarante in 2017 to supervise the security system at Algiers airport for Air France. In June 2021, he will be appointed Director of Operations, and in November, Manager. After starting his military career in the cavalry, Thierry joined the special forces, in which he served for 28 years in operational units and embassies. Thierry left the military institution in 2017 and joined Amarante at the end of his last diplomatic mission in Tunisia..