Tim Kanold, PhD, an award-winning educator, author, and consultant, is former superintendent of Adlai E. Stevenson High School District 125, a model professional learning community district in Lincolnshire, Illinois. A nationally recognized K-12 mathematics education leader, he served as President for the National Council of Supervisors of Mathematics and as a co-author of Grades 6-12 mathematics textbooks for Houghton Mifflin Harcourt. His newest book, HEART: Fully Forming Your Professional Teaching and Leading Life! was released in March 2017. Recipient of the 2010 Damen Award for outstanding leadership contributions to the field of education, he currently leads professional development programs for educators interested in using the professional learning community process to develop a positive and effective culture for student learning.