Dr Ruth E Williams is a Consultant Paediatric Neurologist with Special Interests in Epilepsy and Neurodegenerative diseases. Dr Williams has worked at The Evelina Children’s Hospital, which is part of Guy’s and St Thomas’ NHS Foundation Trust, London, since 2003, following training in Nottingham, Birmingham, Bath and Great Ormond Street.  Dr Williams is a Medical Advisor to the Batten Disease Family Association.

The ketogenic diet service for Children with Epilepsy at Evelina Children’s Hospital was re-established in 2005 with support from Paediatric Dietitians  Mary-Anne and Tara, and Epilepsy Nurse Specialist Layla.