Six models for technology managers

The author gives six perspectives on the environment of engineering management. It is addressed to engineers seeking to make the transition to management, whether as entrepreneurs or as members of structured organizations, and to managers at all levels who want to gt the job done effectively. The first model describes the evolution of a manager from an engineer; the second, the evolution of a technology. The third describes the evolution of a product, the fourth, the evolution of an enterprise or industry. The fifth describes the strategic process. The sixth and final `model´ contains a set of simultaneous constraints that limit management influence