The SIG is led by Dr Joanne Reekie at PERSIMUNE and Professor Amanda Mocroft of the Centre for Clinical Research, Epidemiology, Modelling and Evaluation (CREME), Institute for Global Health, UCL. The SIG includes senior and junior statisticians as well as PhD students in PERSIMUNE affiliated to PERSIMUNE University partners, in addition to those with an interest in methodology, statistical analysis or interpretation of data. The main aim/task of the SIG is to collaborate with clinical and scientific staff in PERSIMUNE in the design, implementation, analysis and reporting of medical research.