Lesley A Stewart

Professor Lesley Stewart is Director of the Centre for Reviews and Dissemination (CRD) at the University of York and is a National Institute for Health Research (NIHR) Senior Investigator. Lesley has been involved in evidence synthesis in healthcare since the late 1980's, previously running the Medical Research Council Clinical Trials Unit meta-analysis research programme. Together with colleagues in Cambridge and Oxford, she helped establish the methodology and framework for individual patient data (IPD) reviews and was a founding member of the Cochrane Collaboration. Her research interests include the avoidance of bias and development of IPD methods and approaches to systematic review. Recently, she has instigated the development of PROSPERO an international register for the prospective registration of systematic reviews.