Sheila Valencia is Professor of Language, Literacy, and Culture at the University of Washington, Seattle. She teaches and conducts research in the areas of literacy assessment, instruction, policy, and teacher development. Dr. Valencia has served on national, state, and local assessment committees to improve assessment systems and policies including the Common Core Standards Advisory Panel on Literacy, National Assessment of Educational Progress subcommittees, and IRA/NCTE standards and assessment committees. She has also served on the editorial boards of Educational Researcher, Educational Assessment, Reading Research Quarterly, Journal of Literacy Research, and The Reading Teacher. In addition, Dr. Valencia studies the professional development of teachers’ conceptual and practical knowledge of literacy and literacy instruction. Dr. Valencia’s work has appeared in edited books and numerous journals including Reading Research Quarterly, Educational Assessment, Journal of Teacher Education, Elementary School Journal, Journal of Literacy Research, and The Reading Teacher. She is also a member of the Reading Hall of Fame.