Sean Claxton grew up in Norfolk, England before moving to London to work for the Imperial War Museum in 1993. Eleven years later he moved to Normandy to start work as a battlefield guide and researcher. Since 2019 he has conducted regular lectures on the Battle of Normandy and World War Two. He has co-authored two books and has two solo efforts due for completion in 2021.

Sean lives with his partner Jackie in the heart of the Norman bocage near Coutances.