Elizabeth Yost Hammer is the Kellogg Professor in Teaching in the psychology department and director of the Center for the Advancement of Teaching and Faculty Development at Xavier University of Louisiana in New Orleans. Her work as director includes organizing pedagogical workshops and faculty development initiatives. A fellow of Division 2 of the American Psychological Association, Dr. Hammer is a past president of Psi Chi, the International Honor Society in Psychology and has served as treasurer for the Society for the Teaching of Psychology. She also served as chief reader for Advanced Placement Psychology. Dr. Hammer is a co-author on MYER'S PSYCHOLOGY FOR THE AP COURSE, 4th edition, and the author of the teacher's edition. Passionate about teaching, she has published and presented on collaborative learning, mentoring students and inclusive pedagogy.

In 2021, she received the APF Charles L. Brewer Award for Distinguished Teaching of Psychology. She, her husband and their two rescue dogs work, play and, when necessary, self-isolate in New Orleans. She earned her B.S. in psychology from Troy University and received her Ph.D. in experimental social psychology from Tulane University.