Timothy D. Kanold, PhD, is an award-winning educator and author, and a national thought leader in mathematics, wellness and the Professional Learning Communities at Work model. He is former director of mathematics and science and served as superintendent of Adlai E. Stevenson High School District 125, a Model PLC at Work® district in Lincolnshire, Illinois.Dr. Kanold is committed to equity and excellence for students, faculty, and school administrators. He conducts highly motivational professional development leadership seminars worldwide with a focus on turning school vision into realized action that creates greater equity for students through the effective delivery of the PLC process by faculty and administrators.He is a past president of the National Council of Supervisors of Mathematics (NCSM) and coauthor of several best-selling mathematics tex ...