Douglas Fisher, Ph.D., is Professor of Educational Leadership at San Diego State University and a leader at Health Sciences High & Middle College. He has served as a teacher, language development specialist, and administrator in public schools and non-profit organizations, including 8 years as the Director of Professional Development for the City Heights Collaborative, a time of increased student achievement ... Read morein some of San Diego's urban schools. Doug has engaged in Professional Learning Communities for several decades, building teams that design and implement systems to impact teaching and learning. He has published numerous books on teaching and learning, such as Assessment-capable Visible Learners and Engagement by Design. Nancy Frey, Ph.D., is a Professor in Educational Leadership at San Diego State University and a leader at Health Sciences High and Middle College. She has been a special education teacher, reading specialist, and administrator in public schools. Nancy has engaged in Professional Learning Communities as a member and in designing schoolwide systems to improve teaching and learning for all students. She has published numerous books, including The Teacher Clarity Playbook and Rigorous Reading. Professor John Hattie is an award-winning education researcher and best-selling author with nearly 30 years of experience examining what works best in student learning and achievement. His research, better known as Visible Learning, is a culmination of nearly 30 years synthesizing more than 1,500 meta-analyses comprising more than 90,000 studies involving over 300 million students around the world. He has presented and keynoted in over 350 international conferences and has received numerous recognitions for his contributions to education. His notable publications include Visible Learning, Visible Learning for Teachers, Visible Learning and the Science of How We Learn, Visible Learning for Mathematics, Grades K-12, and, most recently, 10 Mindframes for Visible Learning. Learn more about his research at www.corwin.com/visiblelearning. Show Less