100 Most Influential People in Healthcare - 2017

• Years on list: 3

Feinberg has led Geisinger since 2015, and has put the system's focus on improving the patient experience. Toward that goal, Feinberg unveiled ProvenExperience in November 2015. The program offers refunds to patients whose expectations weren't met. When he took the reins at Geisinger, Feinberg stressed that his approach to innovation is rooted in the nuts and bolts of running the hospital and caring for patients. He previously served as president and CEO of UCLA Health and associate vice chancellor of UCLA Health Sciences.