Professor Turner read Natural Sciences at Cambridge University before qualifying in 1997 from the University of Oxford Medical School.

After completing general medical training in London, he trained in Medical Oncology at The Royal Free and University College Hospital and completed a PhD at the ICR in 2006.

He joined the Breast Unit of The Royal Marsden and the ICR as a Senior Lecturer and Honorary Consultant in Medical Oncology in 2008.

He is a Cancer Research UK Clinician Scientist Fellow and devotes the majority of his time to academic research, both in the laboratory investigating novel therapies for the treatment of breast cancer and in clinical trial research.

Professor Turner is Chief Investigator of a number of national and international trials of personalised therapy in Breast Cancer. He is Deputy Editor of the journal Breast Cancer Research, Breast Theme lead for The Royal Marsden National Institute for Health Research Biomedical Research Centre, and on the organizing committees of many international conferences on breast cancer.