Kateri Thunder, Ph.D. researches, writes, and presents on equity and access in early childhood and mathematics education and the intersection of literacy and mathematics for teaching and learning. Kateri is chair of NCTM’s Research Committee, co-creator of The Math Diet, and a best-selling author for Corwin’s Teaching Mathematics in the Visible Learning Classroom Series, the Success Criteria Playbook, and Visible Learning in Early Childhood.

Dr. John Almarode is a bestselling author and has worked with schools, classrooms, and teachers all over the world on the translation and application of the science of learning to the classroom, school, and home environments, and what works best in teaching and learning. John has authored multiple articles, reports, book chapters, and eleven books including How Tutoring Works, Visible Learning in Early Childhood, and How Learning Works, all with Corwin Press.

Alisha Demchak, M.Ed., is an early childhood educator and researcher who has taught in early childhood classrooms and mixed-age settings, served as a reading specialist and interventionist, and coached early childhood educators, administrators, and literacy coordinators. Currently, she is researching evidenced-based instructional practices in early childhood reading and working to ensure those practices make it into classrooms by working with preservice and inservice teachers to build their skill set and confidence in reading instruction.

Douglas Fisher, Ph.D., is Professor of Educational Leadership at San Diego State University and a teacher leader at Health Sciences High & Middle College. He is the recipient of an IRA Celebrate Literacy Award, NCTE’s Farmer Award for Excellence in Writing, as well as a Christa McAuliffe Award for Excellence in Teacher Education. He is also the author of PLC+, The PLC+ Playbook, This is Balanced Literacy, The Teacher Clarity Playbook, Grades K-12, Teaching Literacy in the Visible Learning Classroom for Grades K-5 and 6-12, Visible Learning for Mathematics, Grades K-12, The Teacher Credibility and Collective Efficacy Playbook and several other Corwin books. 

Nancy Frey, Ph.D., is Professor of Literacy in the Department of Educational Leadership at San Diego State University. The recipient of the 2008 Early Career Achievement Award from the National Reading Conference, she is also a teacher-leader at Health Sciences High & Middle College and a credentialed special educator, reading specialist, and administrator in California. She has been a prominent Corwin author, publishing numerous books including PLC+, The PLC+ Playbook, This is Balanced Literacy, The Teacher Clarity Playbook, Grades K-12, Engagement by Design, Rigorous Reading, Texas Edition, The Teacher Credibility and Collective Efficacy Playbook, and many more.  To view Doug and Nancy’s books and services, please visit Fisher and Frey Professional Learning.