Upon entering the French Armed Forces in 1977, he was assigned to the French Infantry Academy in Montpellier where he completed the Platoon Leader Course.
In 1978 he was assigned to the 6th Airborne Marine Infantry Battalion in Mont-de-Marsan where he served as a platoon leader and as Deputy Headquarters Company Commander.
In 1980, upon completion of his tour, Lieutenant General Stoltz was transferred to the Pacific Marine Infantry Battalion in New Caledonia where he served as a combat platoon leader before reassignment as the combat company commander in the 8th Airborne Marine Infantry Battalion in Castres.
He graduated with distinction from the French War College which he attended from 1989 to 1991.
He was assigned to the 6th Airborne Marine Infantry Battalion in Mont-de-Marsan from 1991 to 1993 as Chief of Operations.
From 1993 to 1996 he worked on Yugoslavia and exercise related matters in the French Military Intelligence Directorate. From 1996 to 1998 he commanded the 1st Airborne Marine Infantry Battalion in Bayonne. Following this assignment, he was transferred to the Djibouti French Combined Headquarters where he served as Chief of Staff. From 2000 to 2003 he was assigned to the Special Operations Command as Chief of Operations and Chief of Staff.
He took command of the Special Land Forces Brigade in Pau from 2003 to 2005.
Lieutenant General Stoltz also served as Deputy Commander, Land Forces Command in Lille before being transferred to Marseille to take command of Land Force Headquarters No. 3 from 2007 to 2009.
In August 2008 he was assigned as KFOR Deputy Commander, bringing him back for a tour of duty to Kosovo, where he had already served as the Commander of Multinational Task Force North in 2005.
From 2009 to 2012 he was commander of the Joint Forces Command in Lisbon.
Lieutenant General Philippe Stoltz has been awarded the Légion d’Honneur, the National Merit Order, the Military Valor Cross with 5 citations and the Overseas Medal.
He is married and has five children.