The central role of corporate leaders in setting the ethical tone for their organization is widely accepted. Four well known former CEOs are profiled to illustrate how their managerial ethical leadership not only influenced their firms but also the practice of business. Insights are drawn from their writings and speeches as well as other sources which examine demonstrated leadership abilities. Their behavior not only provides examples of leadership but also is exemplary from an ethical point of view. The article concludes with five common themes that describe these individuals and the essence of managerial ethical leadership.