Mayo Clinic is a nonprofit hospital system with campuses in Rochester, Minnesota, Scottsdale and Phoenix, Arizona, and Jacksonville, Florida. Mayo Clinic employs 63,000 people, including more than 4,500 physicians and scientists and 58,400 administrative and allied health staff, as of 2018. Of those, approximately 34,000 are based in Rochester. In addition, Mayo Clinic partially owns and operates the Mayo Clinic Health System, which consists of more than 70 hospitals and clinics across Minnesota, Iowa, and Wisconsin. Mayo Clinic also operates the Mayo Clinic College of Medicine and Science, a nonprofit college dedicated to training medical and allied health professionals at Mayo Hospitals in Minnesota, Arizona, and Florida.