You are here

In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Tim Lewis University of Missouri, USA

Dr. Timothy J. Lewis has been involved in special education for over 20 years. Dr. Lewis has taught students with emotional and behavioral disorders in high school, elementary, and self-contained psychiatric settings. At present, Dr. Lewis is Professor and Associate Dean for Research, Development, and Graduate Studies at the University of Missouri. Dr. Lewis has been involved with developing school-wide systems of behavioral support for over 15 years. He has worked directly with school teams around the world, secured several federal grants to support his research and demonstration efforts, and is a frequent contributor to the professional literature examining various aspects of Positive Behavior Support. His specialty areas include social skill instruction, functional assessment, and proactive school-wide discipline systems.