STARTED IN 1889 in Minnesota , the Mayo Clinic is a national nonprofit research group that spends over $ 660 million a year on vital medical research . The healthcare giant employs over 4,500 doctors and scientists , plus 57,100 health

staff – staff who are clearly very happy in their jobs . US News & World Report named the Mayo Clinic the number one hospital in America , and it has ranked highly on Fortune Magazine ’ s 100 Best Companies to Work For list for 13 years straight .

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