Jack is a Senior 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 INSPECT-SR project, funded by the National Institute for Health and Care Research, which aims to develop a tool for identifying and excluding problematic randomized controlled trials from systematic reviews.