Stephen Keoghane joined the Royal Wessex Yeomanry in 1994 and served for twenty-two years as the regimental medical officer, soldiering in Europe, the USA and Afghanistan. He left the yeomanry as a lieutenant-colonel in 2016. As a Fellow of the Royal College of Surgeons of England and a consultant surgeon in the NHS, he has been published extensively in scientific journals. In recent years he has diversified into writing British military history and is now a regular contributor to a variety of well-known history magazines. Shield and Protect is his third book with Fonthill Media. He is married and lives in rural Suffolk.