is an expert on literacy intervention and experimental design. He is professor of education at Harvard University where he leads the READS Lab (Research Enhances Adaptations Designed for Scale in Literacy: readslab.org), a research-based collaborative initiative to identify and scale adaptive solutions for improving children’s literacy learning and outcomes. His current research priority is to understand how building children’s domain knowledge and reading engagement can foster long-term improvements in reading comprehension. The Model of Reading Engagement (MORE), a spiraled and sustained content literacy intervention developed by READS Lab, has been shown to improve first to third-grade students’ literacy outcomes.