Professor Helen Cross is The Prince of Wales’s Chair of Childhood Epilepsy and Head of the Developmental Neuroscience Programme at UCL-Great Ormond Street Institute of Child Health, Honorary Consultant in Paediatric Neurology Great Ormond Street Hospital for Children NHS Foundation Trust, London and Young Epilepsy, Lingfield, UK. Her research has been targeted at improving outcomes in early onset epilepsy, specifically in assessing the role of surgery and ketogenic diet. She has also held key leadership roles both nationally and internationally. She is Treasurer of the International League Against Epilepsy 2017-2021 (Secretary General 2013-2017), Clinical Advisor to the National Children’s Epilepsy Surgery Service, Clinical Advisor to the update of the NICE guidelines for Childhood Epilepsy, and Chair of the Neurosciences Clinical Study Group of the Clinical Research Network (Children). She developed as Coordinator of the European Reference Network for Rare and Complex Epilepsies (EpiCARE) launched in 2017.