Jack is a Lecturer at the Centre for Biostatistics, University of Manchester. His research interests include clinical trials and systematic reviews of interventions, with a focus on reproductive medicine, and he is Statistical Editor for Cochrane Gynaecology and Fertility, BJOG, Fertility and Sterility, and Reproduction and Fertility. His interest in research misconduct began in 2019, when he was enlisted by a journal to investigate the integrity of several published clinical trials. He now regularly performs integrity investigations for journals and publishers of medical research. He is currently leading the NIHR-funded INSPECT-SR project, which aims to develop a tool for identifying and excluding problematic RCTs from systematic reviews.