Dr Tuthill is a consultant oncologist at the Churchill Hospital which is part of Oxford University Hospitals NHS Foundation Trust.
He treats cancers of the prostate, kidney, bladder, germ cell tumours and breast cancer. Dr Tuthill qualified from University College London (University of London) in 2002. He was awarded BSc Honours (Immunology and Cell Pathology, University College London) in 2001. He became a member of the Royal College of Physicians (UK) in 2005. He trained in Medical Oncology in London at the Hammersmith Hospital, Charing Cross Hospital, Chelsea and Westminster Hospital and the Royal Marsden Hospital. He graduated with a post graduate diploma in Oncology from the Institute of Cancer Research in 2009. He was awarded a MRC Clinical Research Fellowship (2009) and studied for PhD in tumour immunology (2014) at the MRC Clinical Sciences Centre and Imperial College (London). He was appointed Consultant Medical Oncologist at Oxford University Hospitals NHS Foundation Trust in 2015.