Libby is a Director of Biostatistics on the Quantitative Team at Clinical Outcomes Solutions, a global Health Economics and Outcomes Research strategic consulting group. Libby is a biostatistician with over 10 years of experience in patient reported outcomes research and clinical trials as an academic researcher and industry consultant. Much of her work has been in the development, interpretation, and analysis of patient reported outcomes with missing data, specifically when using responder analyses. She specializes in complex quantitative approaches for optimal interpretation and has extensive experience in psychometric analyses and mixed-methods research.