Deb Tweddle is Professor of Paediatric Oncology at Newcastle University and an Honorary Consultant in Paediatric & Adolescent Oncology at the Great North Children’s Hospital, Newcastle.

Kate has been a consultant paediatric oncologist in the Oxford Children's Hospital since 1995. She has specialised in neuroblastoma and from 2010 to 2016 was the chair of the UK NCRI Children's Cancer and Leukaemia Neuroblastoma group.