Kristin Lehner is Editorial Director for PBS Education. In this role, she leads content acquisition and development for PBS LearningMedia and PBS TeacherLine. Prior to joining PBS, Lehner worked at George Mason University’s Center for History and New Media in curriculum development and professional development for K-12 social studies educators. She has led numerous regional and national workshops on integrating digital media and online tools and technologies into social studies instruction. Lehner holds a Masters in History from Johns Hopkins University.