Sophie Ambler FRHistS is a medieval historian, focussing on politics, ethics, and warfare, often through the lens of the Crusades.

[1] She undertook her PhD at King's College London, supervised by David A.

[4][5] Ambler joined Lancaster University as a Lecturer in 2017, and since 2021 she has been Reader in Central & Later Medieval History.

[6] She frequently contributes to TV and radio, like her piece on the Second Barons' War as part of In Our Time.

[1][7] In 2023, Ambler secured funding from the Castle Studies Trust to investigate the medieval site of Lowther Castle Stead in Cumbria and its associated village.