Raegen T. Miller is a Senior Education Policy Analyst at American Progress. His work focuses on strategic management of human capital in education. He has published articles in peer-reviewed research journals shedding light on the productivity costs of teacher absences. Prior to joining American Progress, Raegen was a National Academy of Education/Spencer Postdoctoral Fellow affiliated with the Center on Reinventing Public Education at the University of Washington. He holds a doctorate in Administration, Planning, and Social Policy from the Harvard Graduate School of Education, where he taught courses on applied data analysis and the foundations of schooling and teaching.Raegen's work in education policy is grounded in many years of practice and service. He taught mathematics in the United States and abroad, in traditional public schools and in charter schools, and in urban and suburban settings. Raegen completed his teacher training at Stanford University, and he holds an M.S. in mathematics from Cal Poly, San Luis Obispo. He was a trustee of Prospect Hill Academy Charter School in Somerville, Massachusetts, and he served as president of his local teachers' union in Palo Alto, California.