Understanding behaviour and how it impacts performance will make you a better manager, leader, teacher and coach. A new yardstick is judging us; not just how smart we are, or by our training or expertise, but how well we handle ourselves and each other - Daniel Goleman - Emotional Intelligence. If you want to be a more effective supervisor, manager, leader, teacher or coach, learn to work with others in a way they like. DISC will teach you how.