Efficiency in day-to-day operations pays off. The two experienced authors analyze existing work processes in entire companies or departments. They identify potential for change and offer practical support for implementing changes. They place a special emphasis on involving employees and meaningful key figures for controlling. Checklists, action plans, and practical case studies from various industries serve to address specific problems and facilitate continuous optimization. This is a professional guide for anyone looking to achieve significant efficiency gains in a short time with simple means and well-thought-out steps. Dorit Spiller is a Senior Analyst at Berlecon Research, a company specialized in e-business. Previously, she worked as a consultant at the Boston Consulting Group, focusing particularly on process optimization.