Dianne Marshall was born in Portlaoise, County Laois, in 1978. She spent many years at the Royal Irish Academy of music, studying both Harp and Piano. Dianne then won a music scholarship at Oakham School in Rutland, England where she studied for a number of years before being accepted into the London Royal Academy of Music, which she entered as a student under the tutorship of Professor Daphne Boden.

Dianne plays the Irish and Concert Harp, performing solo recitals and with Chamber music ensembles throughout Ireland.

Since returning to Ireland Dianne has worked as a freelance musician playing both Irish Harp and Concert Harp. Dianne regularly works with the Ulster Orchestra, National Symphony Orchestra and RTÉ. Concert Orchestra. As well as the three main professional Orchestras in Ireland Dianne has also worked with many other companies including the Wexford Opera festival and European Opera Company for a number of years.

Dianne has also given solo recitals as well as playing duets and Chamber music with a range of different musicians throughout Ireland.

In her spare time Dianne loves pottering in the garden and whenever she gets a chance, heading out to climb some mountains, always trying to fit in an annual trip to the Highlands in Scotland for a few Munros or just going on long walks in the countryside with her family in Waterford where she lives.