Mayo Clinic is a not-for-profit medical center that is included in the list of America's 100 best companies. For many years, the Mayo Clinic has been considered the best medical institution in the United States, and thousands of patients from all over the world come to be treated there. What's so special about it? Leonard Berry and Kent Seltman examined the management of the Mayo Clinic and came to the conclusion that the reason lies in a special approach to the service and each patient. The culture of service and a systematic approach to organizing the work of the clinic have led to outstanding results in the provision of medical services. Mayo Clinic is one of the best books on modern client-centered service. The advice presented here is universal for any service company seeking to apply global best practice.