Peter Apps is global defence commentator at Reuters, a British Army reservist and executive director of pop-up think tank the Project for Study of the 21st Century (PS21). Peter has reported from across the world as a Reuters correspondent and was appointed a columnist in 2016. He has also served in the British Army as a specialist reservist, and presents the international defence podcast Facing Coming Storms for the British Army think tank The Centre for Historical Analysis and Conflict Research (CHACR).

He is the author of Deterring Armageddon: A Biography of NATO (Wildfire, 2024) and two successful Kindle Singles, Before Ebola (2014) and Churchill in the Trenches (2015).