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Juli K. Dixon, PhD, is a professor of mathematics education at the University of Central Florida. An active researcher, she has also taught mathematics at the elementary, middle, and secondary levels.

Judy Curran Buck, PhD, is a consultant focused on the professional development needs of mathematics educators. She has 30 years of experience in education, serving as a teacher, professor, and principal.

Jonathan G. Vander Els specializes in supporting teachers and administrators in schools and districts across the country in developing, sustaining, and enhancing structures to support all learners.

Jon Yost is the recently retired associate superintendent of curriculum and instruction for Sanger Unified School District in California. He has worked in public education at the elementary, secondary, and district levels.

John Wink currently serves as the Director of School Success for the Longview Independent School District in Longview, Texas. As a renowned superintendent, assistant superintendent and principal at elementary, middle and high schools, John's work in school improvement has transformed schools by transforming teachers and leaders.

Dr. John F. Eller is a much sought-after consultant and presenter who offers engaging and informative workshops in a variety of leadership, teaching, and learning topics.

Joseph Ianora, principal on special assignment at Campbell Union High School District, has been an educational leader for more than 35 years, guiding schools by fostering learning communities for students, staff and parents. He has been lucky enough to hold almost every position within a school site, from custodian up to principal and everything in between. He has worked with inner city schools and suburban districts, and he has K–16 experience with an emphasis on high school.

Joe Cuddemi has over 35 years of experience in education, serving as a teacher, counselor, and principal in a wide variety of educational settings, including adjunct professor at Colorado State University.

Jessica Kanold-McIntyre is an educational consultant and author committed to supporting teacher implementation of rigorous mathematics curriculum and assessment practices, blended with research-informed instructional practices.

Jennifer Tobias, PhD, is an associate professor at Illinois State University. She specializes in elementary mathematics with emphasis on preparing prospective elementary teachers and developing their understanding of mathematics.