Margarita Espino Calderón, PhD, Professor Emerita, Johns Hopkins University, has served on national preschool to 12th grade literacy panels and as an advisory board member of the National Research Council, the Education Testing Service, WIDA, the National Center for Learning Disabilities, the National Literacy Panel for Language Minority Children and Youth, and the Carnegie Adolescent English Language Learners Literacy Panel. She is a consultant for the U.S. Department of Justice and the Office of Civil Rights. Her research interests include professional development, effective schools, and language and literacy development of English learners.