Ellen Tilden is a nurse-midwifery clinical-scientist and Associate Professor in the Schools of Nursing and Medicine at Oregon Health & Science University.

Dr. Tilden’s research addresses maternity health systems improvements to decrease maternal morbidity and mortality, with a particular focus on prenatal care, labor progress, cesarean reduction, and maternal mental health. Her work improves the quality and safety of U.S. perinatal care via influencing clinical guidelines on labor management, driving state policies on doula care reimbursement, and translating mental health interventions to the prenatal care setting. Dr. Tilden also works closely with industry partners: she is the Chief Scientific Officer at Center Mom. She serves as the Associate Editor of Birth, Data Management Chair within the American College of Nurse-Midwives Division of Research, and Member of the Data and Research Workgroup for the U.S. Department of Health and Human Services, Secretary's Advisory Committee on Maternal and Infant Morbidity and Mortality.