Ron Ritchhart served a Senior Research Associate at Harvard Project Zero for many years. His work has focused on the development of school and classroom culture as prime vehicles for developing students as powerful thinkers and learners. Ron's research and writings have informed the work of schools, school systems, and museums throughout the world. Largely classroom based, his approach has been to learn from the best practices of teachers in order to better understand how they create conditions for powerful learning. Ron is a prolific and influential writer. His best-selling books include Intellectual Character; Making Thinking Visible, co-written with Mark Church and Karin Morrison; and Creating Cultures of Thinking. Ron’s most recent book is The Power of Making Thinking Visible, co-authored with Mark Church. This book presents new research on the power of thinking routines to transform learning, teaching, and schooling, while sharing with readers what Ron and Mark have learned about ways to use routines most effectively.