Anne Cadwallader was born in London and graduated in English from Exeter University in 1979. After a scholarship year at City University, London, completing post-graduate studies in journalism, she joined Westminster Press in Yorkshire before starting work in 1981 with the BBC in Belfast and Dublin.
Since then she has worked for RTE (producer, Morning Ireland), The Irish Press (Northern Editor), Ireland on Sunday, The Irish Echo (New York), Reuters, Independent Network News (Dublin) and The Christian Science Monitor (Boston). She is the author of Holy Cross – The Untold Story (Brehon Press, 2004) and the best-selling Lethal Allies: British Collusion in Ireland (Mercier Press, 2013) which became the first book ever to be accepted as an official High Court exhibit in Belfast and was made into the RTS award-winning film Unquiet Graves.
She has testified before the US Congress and the US, UK, Australian and Irish parliamentary committees in addition to book tours in the US, Scotland, Ireland, Britain, Australia and New Zealand. From 2009, she was a Case Worker with The Pat Finucane Centre based in Armagh before retiring in June 2024. She is currently working on her first novel which is to be published by Mercier Press in 2026.