Part one: Understanding decision style -- Decision style: the hidden factor in managerial success -- Four elements of style: analytical, conceptual, behavioral, directive -- How to measure style: using the decision style inventory -- Development and utility of the decision style inventory: aligning decisions and context -- Part two: Applying decision styles -- Working with different styles; how to effectively interact with people and the organization -- Understanding how style works in the organization -- The decision style-job match: choosing meaningful careers -- Decision styles and characteristics of executives, leaders and entrepreneurs -- Part three: Evolution of managerial decision style -- Pyschological antecedents of decison style -- Development of decision style and situation aligment -- Developing effective decisions for a complex future -- Appendix A; Validation of the decision style inventory -- Appendix B; Results a study of the senior executives -- Appendix C: Results: a study of entrepreneurs.