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Dr. Nathan D. Lang-Raad, EdD, is a visionary educator, international speaker, and prolific author dedicated to transforming mathematics education and instructional practices. With a rich background spanning curriculum development, school leadership, and educational technology, Dr. Lang-Raad brings a unique perspective to his work.

Jennifer Deinhart is a K–8 mathematics specialist working as a mathematics instructional coach at Rose Hill Elementary in Virginia. A passionate educator with more than 20 years of experience working with diverse populations within Title I schools, she works collaboratively with teams of teachers to provide quality mathematics instruction.

Timothy D. Kanold, PhD, an award-winning educator and author, is former superintendent of Adlai E. Stevenson High School District 125, a Model PLC at Work® district in Lincolnshire, Illinois.

Sharon Rendon is director of professional learning for the CPM Educational Program, a nonprofit organization, where she specializes in designing and delivering professional learning for secondary math teachers.

Sarah Schuhl specializes in professional learning communities, mathematics, assessment, school improvement, and RTI. She has been a secondary mathematics teacher, high school instructional coach, and K–12 mathematics specialist.

Mona Toncheff, an educational presenter and author, has over 30 years of experience in public education. Mona works with educators and leaders nationwide to build collaborative teams and ensure all students receive high-quality mathematics instruction.

Matthew R. Larson, PhD, is an award-winning educator and author who served as the K–12 mathematics curriculum specialist for Lincoln Public Schools in Nebraska for more than twenty years. He served as president of the National Council of Teachers of Mathematics (NCTM) from 2016 to 2018.

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.

Gwendolyn Zimmermann, PhD, is director of assessment, research, and evaluation at Adlai E. Stevenson High School District 125, a model professional learning community district in Lincolnshire, Illinois.

Donna Simpson Leak, PhD, is superintendent of Community Consolidated Schools District 168 in Illinois. She has trained thousands of teachers and presented at more than 200 conferences worldwide.