Here are five takeaways:
1. Most recently, she served as the chief human resources and support services officer for United Surgical Partners International, a Tenet subsidiary.
2. She has served in executive roles for Yum! Brands, including as chief people officer for Yum! Restaurants International and Pizza Hut US.
3. She holds an MBA in finance from Los Angeles-based University of Southern California.
4. Ms. Karrmann replaces Robb Webb, who retired.
5. Tenet, a diversified healthcare services company, includes nearly 130,000 employees.
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