Terry Gilliland MD.
Geisinger
Dr. Terry Gilliland was named Geisinger’s new president and chief executive officer in 2024. He has extensive healthcare experience and has held senior executive roles spanning healthcare delivery and payer organizations. Most recently, Dr. Gilliland served as chief medical officer and chief science officer at Cogitativo, a healthcare-focused artificial intelligence and machine learning company. Prior to that, he served as executive vice president of Healthcare Quality and Affordability at Blue Shield of California and senior vice president and chief medical officer of Sentara Healthcare. Earlier in his