Ms Marshall is a GDC registered specialist in paediatric dentistry and is a consultant in paediatric dentistry at Surrey and Sussex Healthcare NHS Trust.

Ms Marshall completed her dental undergraduate training at Bart’s and the London School of Medicine and Dentistry in 2011. She completed her speciality and consultant training in 2019 between at East Surrey Hospital (Redhill) and King's College Hospital (London), Royal Alexandra Children's Hospital (Brighton) and the Community Dental Service in West Sussex.

Her special interests include; dental trauma, dental management of anxious and medically compromised children and child safeguarding.