Ted H. Hull, Ed. D., served in public education for thirty-two years as a mathematics teacher, K 12 mathematics coordinator, school principal, director of curriculum and instruction, and project director for the Charles A. Dana Center at the University of Texas in Austin. While at the University of Texas, he directed the research project "Transforming Schools: Moving from Low-Achieving to High Performing Learning Communities." After retiring, Ted opened LCM: Leadership Coaching Mathematics with his coauthors and colleagues. Ted has coauthored numerous books addressing mathematics improvement and has served as the Regional Director for the National Council of Supervisors of Mathematics (NCSM).