John Cotterill is a self employed battlefield guide for families ,military groups, veterans, civilian clubs, individuals and schools. He was a founder member of the Guild of Battlefield Guides in 2003, was badged in 2004 (Badge 10) and was a Guild validator for 15 years. He became a Fellow of the Guild in 2025. John served as a regular officer in the Worcestershire and Sherwood Foresters Regiment and their successors the Mercian Regiment for 37 years. He saw active service in Ulster, the Balkans, Iraq and Afghanistan and inactive service on four continents. He lives in Nottingham and is an active member of the Western Front Association, the Soldiers, Sailors and Airmans Families Association (SSAFA) and his Regimental Association. John’s particular specialities are taking families to retrace the steps of their Great War or WW2 ancestors and, for military groups, writing and delivering problem solving exercises that allow participants to “re-fight” battles of the past. He has guided groups on battlefields from Tanzania to Tunisia and from Stalingrad to Singapore.