Shirley Weis is the former Chief Administrative Officer for Mayo Clinic where her work involved overseeing 60,000 employees and $9 billion in revenues. She leads her own consulting firm, serves on national boards and acts as a special advisor to the President of Arizona State University. In Playing to Win in Business, Weis helps others to understand the rules of the work game, especially those about which many women are unaware--the unwritten rules of career success.