Philippe Rosius

Philippe Rosius is Head of the Situational Awareness Programme Department and responsible for the operations of the EU SST Front Desk at the European Union Agency for the Space Programme (EUSPA).

He joined EUSPA in November 2017 as Manager of the Galileo Security Monitoring Centre (GSMC) and subsequently became Head of the Security Operations & Monitoring Department. In these roles, he oversaw the operations of the GSMC, ensuring the security monitoring of the Galileo ground segment and managing access to the Galileo Public Regulated Service (PRS). Since 1 July 2026, he has been leading the operations of the EU SST Front Desk, focusing on the long-term sustainability of the space environment to support safe and secure operations in orbit.

Prior to joining EUSPA, Philippe served for 28 years in the French Navy, retiring with the rank of Captain (Navy). During his naval career, he served aboard several warships, accumulating more than 15 years at sea in operational deployments, including two commands at sea.

Following his graduation from the French War College (École de Guerre) in 2007, he held assignments within the French Joint Staff and the French Joint Space Command. His responsibilities covered satellite navigation systems, particularly GNSS programmes such as GPS and Galileo, as well as Space Situational Awareness at national, bilateral and European levels. He also contributed extensively to space policy and international cooperation with allied nations, NATO and the European Union, playing a key role in the development of Space Situational Awareness activities and the EU SST initiative.