Jonathan A. Cook is an experienced medical statistician. He has worked on over 30 clinical trials spanning over 20 years. He has published over 300 peer reviewed publications in leading medical journals. Jonathan's main research interest is in the design, conduct, analysis, and reporting of randomised controlled trials. He serves as a Deputy Editor for the Clinical Trials journal, and a statistical consultant for the British Journal of Surgery. He has collaborated on numerous medical research projects in a wide range of clinical areas.