Four things to know:
1. American Academic Health System bought the two hospitals from Dallas-based Tenet Healthcare a year ago.
2. The organization, an affiliate of El Segundo-based Paladin Healthcare, is streamlining leadership for the two hospitals, which previously had separate CEOs.
3. Ms. Richards has experience leading hospitals in Southern California.
4. When American Academic Health System bought the hospitals, it replaced several top executives at Hahnemann University Hospital.
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