David has 50 years' experience in education. He's taught grades 5 to 9, been founding principal of the public school in NYC started with Meredith, taught graduate education classes and undergraduates at Community College of Vermont. David synthesized the research behind the Common Core Standards and has been working with states, districts and publishers around the country and the world on improving reading practices since. Meredith taught for over 25 years and has been collaborating with David on reading reform for the past 35. She led literacy work for Student Achievement Partners for a decade after coordinating the text complexity research for the Common Core State Standards. She and David wrote Know Better Do Better: Teaching the Foundations so Every Child Can Read, a bestseller in professional books on foundational reading, in 2019.