Elena is a Scientific Director in the Statistical Modeling & Methodology group of Johnson & Johnson. Her work has a focus on estimands, missing data methodology and their implementation in clinical trials. Elena is the lead of the J&J Estimands and Missing Data Working Group and the co-chair of the Estimand and Missing Data Working Group of the International Society for CNS Clinical Trials and Methodology. Elena joined Johnson & Johnson in 2004 and before that she worked at Pfizer for several years. She has been involved across the years in several therapeutic areas including Immunology, Cardiovascular and Metabolic, Pain and CNS.