Sahar Zangeneh is a statistician at Cascade Insights LLP with broad expertise in the design and analysis of clinical and epidemiological studies. Her work draws on extensive experience with secondary data sources, including electronic health records, claims data, and disease registries, and she has strong methodological expertise in missing data, causal inference, and multilevel modeling. Sahar is deeply committed to interdisciplinary research and values team building and collaboration to address complex scientific questions. Previously, Dr. Zangeneh served as a Senior Research Statistician at RTI, where she specialized in the design and analysis of complex sample surveys and developed novel statistical methods for non-ignorable missing data.
Her methodological research integrates classical and modern approaches, including parametric and nonparametric likelihood-based methods, Bayesian modeling, and machine learning tools. Her contributions have been recognized with multiple awards from professional societies, including the American Statistical Association, the International Society for Bayesian Analysis, and the Institute of Mathematical Statistics. Before joining RTI in 2021, Dr. Zangeneh was a faculty biostatistician in the Vaccine and Infectious Disease Division at the Fred Hutchinson Cancer Research Center, where she also completed her postdoctoral training. There, she conducted research focused on HIV and COVID-19 prevention and led the analysis of both observational and interventional studies, developing and implementing research protocols for diverse domestic and international health projects. She is also a Clinical Instructor at the University of Washington in Seattle, where she teaches and contributes to graduate-level curriculum development.
Dr. Zangeneh is a member of several professional organizations, including the American Statistical Association, Institute for Mathematical Statistics, International Statistical Institute, International Society for Bayesian Analysis, and the Iranian Statistical Society, and she is deeply committed to advancing inclusion, diversity, and STEM engagement for underrepresented and underserved students. See Profile