Mari Griffith began her career at the National Gallery, where she lectured and oversaw adult learning, before moving to the Royal Academy of Arts, where she managed the Public Programmes, and the National Gallery of Art in Washington D.C., where she was responsible for exhibition interpretation. She later worked in digital and mobile interpretation, writing audio and multimedia guides for museums and heritage sites across Europe, spending two years based in Italy.

As artword, Mari has worked with prominent museums and galleries in the UK, Europe, Middle East and Asia. She works across various media, from print, audio and digital to in-gallery exhibition texts. She has also presented radio and television programmes about art.

With a B.A. and M.A. in art history (University of London), Mari is fluent in English, Italian and Welsh, and speaks French and Spanish.