Des retired from the Army in 2015 after over 30 years of service. Initially enlisting and serving as a Gunner, he was commissioned into the Worcestershire & Sherwood Foresters (later Mercian) Regiment. He is a self-employed Defence Consultant and was recently working on the STRIKE Brigade experiment, with a particular focus on Concepts and Doctrine. He is a student of the Advanced Command and Staff Course and has served in 1* and 2* Headquarters, as well as being the Chief Instructor of the Combined Arms Tactics Division. He has a MA in Defence Studies from Kings College London.

He has a keen interest in military history and is widely read. In particular, he enjoys visiting battlefields and has dragged his long-suffering wife over many of them. (Though still happily married she now refuses to follow him anymore.) He has led tours to the Crimea, Dublin, Italy and Normandy. He is now developing his expertise in the Napoleonic era. He has a particular interest in understanding how and why decisions were made; the impact of doctrine, terrain and organisational culture; as well as trying to relate the experience of the soldiers at the time.