In this episode Ellin Oliver Keene discusses agency, understanding, and the evolution of the Thinking Strategies. Ellin is the co-author of Mosaic of Thought and one of the founders of the PEBC. Ellin is also the author of To Understand, Assessing Comprehension, Talk About Understanding, and Engaging Children, contributor to Comprehension Going Forward and Adolescent Literacy, and editor of The Teacher You Really Want to Be and the This, Not That series from Heinemann. Ellin has been a classroom teacher, staff developer, non-profit director and adjunct professor of reading and writing. In addition to her role as Senior Consultant, Professional Learning at PEBC, she works with schools and districts across the country and abroad.