US/Global 
CAN
AI Ed Associates
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Erin Lehmann
Erin Lehmann, EdD, currently serves as an assistant professor for the University of South Dakota. She is an author, leader, and facilitator, advocating for mathematics and high levels of learning for all.
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Nathan D. Lang-Raad
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.
