As a decision manager, your responsibility is to see that people in your company decide well. Exercising this responsibility requires that you do things such as clean up the mess after disastrous decisions, replace poor deciders, and train new, better ones. At the heart of each of these actions and, indeed, decision making itself, is the notion of quality—decision quality, decision process quality, and decider quality. What exactly should these ideas mean, and how should you, as a decision manager, make them functional in practice?