Marianne Burton studied law at Oxford and qualified as a solicitor. She worked in The City specializing in advising Friendly Societies, and as a director on the board of a pharmaceutical company. She has a first class degree in Literature from the Open University and a Creative Writing MA from Royal Holloway where she studied with Andrew Motion and Jo Shapcott. In 2010, Gillian Clarke and Carol Ann Duffy, who encouraged her to put together her first collection, tutored her at Ty Newydd. Her poems have been widely published in top literary journals including Poetry Wales, Poetry London, and the Times Literary Supplement. Her pamphlet, The Devils’ Cut, was a Poetry Book Society choice in 2007.
She has won and been placed in a number of competitions including Mslexia, TLS, Edwin Morgan, Bridport, Cardiff International. Her debut poetry collection is called She Inserts the Key (Seren 2013), and was nominated for the Forward Prize, while her latest poetry collection, Kierkegaard's Cupboard (Seren 2018), was inspired by the life of influential Danish Philosopher Søren Kierkegaard and is all written from his point of view.