Louis, and in Goldfarb School of Nursing, Barnes Jewish College. Dr. Yen completed her Master of Science Degree in Medical Informatics at the Oregon Health & Science University (OHSU), and earned her PhD in Nursing from Columbia University, specialized in Nursing Informatics. Before attending Columbia, she worked as a Research Associate in the Drug Effectiveness Review Project (DERP) team at the Center for Evidence-Based Policy at OHSU – one of the most successful systematic review programs in the U.S.