Cynthia L. Tuttle taught mathematics for 21 years at both the elementary and middle school levels and worked as a certified reading teacher. She served as an Assistant Professor at both Castleton State College and American International College, where she was the first Coordinator of Supportive Services for Undergraduates with Learning Disabilities. She has been a mathematics coach in middle school classrooms for the Massachusetts Mathematics Coaching Project, and has worked with teachers through the Hampshire Educational Collaborative. At present, she works independently as a mathematics coach and consultant.