Dr. Ewell’s academic background in statistics began with a bachelor of science degree at Princeton and continued with a master’s degree from the University of Wisconsin. She earned the Sc.D. degree in biostatistics at Harvard University. She continued post-doctoral studies at the Harvard School of Public Health and the Dana-Farber Cancer Institute before coming to EMMES in 1994. As a post-doctoral fellow, she was the statistician for the Melanoma Committee of the Eastern Cooperative Oncology Group and did research in survival analysis.

As Director of Statistical Research, Dr. Ewell is responsible for evaluating and implementing new and existing statistical methodologies within EMMES' research projects. Dr. Ewell has served as the PrincipaI Investigator for large and complex programs encompassing statistical components of clinical trials, protocol compliance, regulatory requirements, data audits, data management, and other coordinating center tasks.

Dr. Ewell has been awarded a number of fellowships and scholarships and is a member of the Biometric Society and the American Statistical Association.