Declan Power is a former Irish Army soldier, defence analyst and writer. Power originally joined the Army Reserve (then FCÁ), before serving in a variety of roles in the Defence Forces. He later had a number of appointments in Ireland and abroad, including internal security, peacekeeping and anti-terrorism duties. He also attended the Military College and a number of other specialist Defence Force schools and courses. Power's later years of service were spent attached to the Chief of Staff's Branch at Defence Forces Headquarters (DFHQ). He is a graduate of Dublin City University and Trinity College Dublin. As of 2013, Power was a contributing analyst on security and defence matters to a variety of institutions and media, including the Royal Irish Academy's Irish Studies in International Affairs (from the Congo to Mali, 2013). He wrote a book on the Siege of Jadotville (since adapted for film). In addition to other work, as of May 2016, he is working on a further book titled Beyond the Call of Duty.