Justin is an associate professor of digital media in the Comparative Media Studies/Writing department at MIT and the director of the Teaching Systems Lab. He is the author of Iterate: The Secret to Innovation in Schools and Failure to Disrupt: Why Technology Alone Can’t Transform Education, and he is the host of the TeachLab Podcast. He earned his doctorate from the Harvard Graduate School of Education and was the Richard L. Menschel HarvardX Research Fellow. He is a past Fellow at the Berkman-Klein Center for Internet and Society. His writings have been published in Science, Proceedings of the National Academy of Sciences, Washington Post, The Atlantic, and other scholarly journals and public venues. He started his career as a high school history teacher, and coach of wrestling and outdoor adventure activities.