Following completion of a degree in Physics at Oxford University, Marianne completed a Masters degree in Audiology at Southampton University in 1996. She then trained as an Audiological Scientist at the Royal Berkshire Hospital in Reading, completing her Certificate of Audiological Competence in 1997. She worked in Berkshire until 2002 then moved to North Staffordshire to work initially with children with hearing loss, and then with adults with hearing and balance difficulties. Since 2005 she has worked as Consultant Audiological Scientist at the University Hospital of North Staffordshire up to the birth of her first child. Since then, alongside Philip she has enjoyed dedicating more of her time to developing services provided by their family practice.
She is married to Philip whom she met through work several years ago. Alongside caring for her three children, her interests include cookery, sewing, scuba diving and holidaying in West Wales.