Marius Kristiansen is an active duty Norwegian Army Officer. He has been a member of the Norwegian Armed Forces since 2001, and he has served both in the Norwegian Navy and the Norwegian Army. He holds a B.A. in Military Leadership and Land Warfare from the Norwegian Military Academy, an Advanced Certificate in Terrorism Studies from the University of St. Andrews in the UK, and an M.S. in Defense Analysis from Naval Postgraduate School in Monterey, California.