In the current highly competitive environment, in order to gain outstanding results, modern organizations must not only offer products and services of the highest quality but also excel in all organizational areas. Achieving business excellence is the most complete and secure competitive weapon that current organizations have at their disposal. In this context, this book provides theoretical and practical support for companies to achieve business excellence by harmonizing their organizational culture with business objectives. This research is one of the few studies of this kind. It presents and analyzes the basic concepts related to business excellence, it examines the most important business excellence models up to date and it explores the impact of leadership performance and organizational culture on business excellence from the unique perspective of fit. This comprehensive analysis should be useful for students and scholars in management and for professionals which aim to attain business excellence for their companies.