Dianne was born in Portlaoise, County Laois, in 1978, and now lives in Dunmore East, Co. Waterford. She spent her early years at the Royal Irish Academy of Music in Dublin, studying both Harp and Piano. Dianne then gained a music scholarship to Oakham School in Rutland, England where she studied for several years before being accepted into the London Royal Academy of Music, which she entered as a student under the tutorship of Professor Daphne Boden.

Since returning to Ireland Dianne has worked as a freelance musician playing both Irish Harp and Concert Harp. Dianne has regularly worked with the Ulster Orchestra, National Symphony Orchestra and R.T.E. Concert Orchestra. As well as the three main professional Orchestras in Ireland Dianne has also worked with other companies including the Wexford Opera Festival and Irish National Opera for many years.

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