Senior Research Associate, Harvard Project Zero, Harvard Graduate School of Education, Harvard University; Author, Creating Cultures of Thinking: The 8 Forces We Must Master to Truly Transform Our Schools (2015) and Intellectual Character (2004); Co-Author, The Power of Making Thinking Visible: Using Routines to Engage and Empower Learners (2020) and Making Thinking Visible: How to Promote Engagement, Understanding, and Independence for All Learners (2011)