Dr Melanie Bell is the biostatistician for the Psycho-Oncology Co-Operative Research Group (PoCoG) and the Quality of Life office. She holds a BA and an MSc in Mathematics, and a PhD in Biostatistics from the University of Colorado. Her research focus is on design and analysis of quality of life (QoL) and other psychosocial outcomes, in particular, methods for handling missing data in longitudinal studies. Additionally, she is involved in research in the design and analysis of cluster randomized trials, and on the quality of the design and analysis of psycho-oncology trials.