Associate Professor Thomas Sullivan is a Senior Research Fellow in the Women and Kids Theme and Co-Leader of the Biostatistics Unit at the South Australian Health and Medical Research Institute. His role is in developing clinical trial methodology and providing high level statistical support, expertise and leadership to the research activity of SAHMRI. His research interests include precision nutrition approaches for improving infant health, methods of multiple imputation, sample size methods for perinatal trials, stratified randomisation, and methods to adjust for non-compliance in randomised trials.