Per Espen Hagen started his career as Scientist at the Norwegian Defence Research Establishment (FFI). From 1994, Hagen was a member of the HUGIN AUV development team at FFI; from 1999 as Project Manager for the AUV and SAS related research at FFI. In 2008, Hagen moved to Kongsberg Maritime/Kongsberg Discovery where he has worked as System Architect and Product Manager in the Uncrewed Platforms division.