Cynthia Passmore, Ph.D., is an Associate Professor specializing in science education in the University of California, Davis School of Education. She did her doctoral work at the University of Wisconsin, Madison and prior to that she was a high school science teacher. Her research focuses on the role of models and modeling in student learning, curriculum design and teacher professional development. She investigates model-based reasoning in a range of contexts and is particularly interested in understanding how the design of learning environments interacts with students' reasoning practices. She has been the principal investigator of several large grants and has co-authored several papers on modeling in science education that have been published in journals such as Science & Education, The International Journal of Science Education and School Science and Mathematics.