Ellen trained in medical oncology in London and Southampton, receiving her CCT in 2009. Following a PhD studying heritable breast cancer, Ellen developed a particular interest in genomic and nutritional factors which influence early breast cancer outcomes. She is lead oncologist of the POSH UK cohort study of young breast cancer patients and of the CANDO3 study of body composition and chemotherapy toxicity. Ellen is principle investigator for a number of observational and interventional clinical trials in early and advanced breast cancer and clinical advisor to several cancer survivorship studies. Ellen has recently been appointed as chair of the World Cancer Research Fund Global Cancer Survivorship expert panel and co-chair of the NCRI breast cancer working group on lifestyle interventions. Whilst a member of the NCRI breast cancer studies group (2013-2019), Ellen founded the national Breast Cancer Trainees Research Collaborative Group and she continues to act as senior chair for this group.
Ellen has been co-chair of the Wessex Molecular Tumour Board since 2017 and cancer lead of the Central and South Central Genomic Laboratory Hub since 2021. She is oncology lead for Health Education England’s “GeNotes” genomics information resource and is involved in a number of other national educational initiatives in cancer genomics. Locally, Ellen is oncology lead of the University of Southampton medical degree course.