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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.

Matt Devan is director of school support and improvement for Montgomery County Public Schools in Maryland. He provides guidance and feedback to schools as they develop professional learning communities.

MaryAnn Brittingham helps educators working with students at risk. She is an instructor and supervisor of student teachers at the State University of New York at New Paltz.

Mary Hendricks-Harris is the superintendent of the Francis Howell School District in Missouri. Previously, she served as the chief academic officer, in which role she supported improvement efforts at both the building and district levels.

Mary Ann Ranells, Ph.D., has over 45 years of experience in education as a teacher, principal, district administrator, and superintendent. She is passionate about coaching educators in professional learning communities to ensure high levels of learning for all.

Martha Kaufeldt is a professional development specialist and author. She travels internationally doing workshops and trainings on curriculum development, differentiated instruction, assessment, mindfulness, and brain-friendly strategies for teachers.

Mark Wilding creates and delivers programs that support educators to develop the capacities necessary to sustain an authentic teaching practice, engage students, support learning outcomes, and collaborate effectively with colleagues.

Mark Weichel, EdD, an assistant superintendent, is a former high school building administrator and junior high school teacher who played a vital leadership role as his school transformed into a successful PLC.

Mark Van Clay, EdD, is an educational presenter who specializes in aligning school systems. He also works with the Consortium for Educational Change and has 30 years of experience in education.

Mark Onuscheck is director of curriculum, instruction, and assessment at Adlai E. Stevenson High School in Illinois. He is a former English teacher and director of communication arts.