This article presents a concept and a measurement of managers' change-oriented behavior related to the initiation and implementation organizational change. It is argued that managers have an optimal potential for achieving organizational changes if they have the change-centered leadership style, are intuitive, recognize demands for change, and have power-motivated behavior. Public and private managers are significantly different in relation to change-oriented behavior based on data from 343 managers in two public organizations and one private. One result was unexpected: public managers are more change-oriented than managers in business organizations. As expected, there is no significant difference in change-oriented behavior among managers in public agencies. Possible explanations for these outcomes are presented.