Glenn A. Loomis, MD, MSHM, FAAFP, is a family physician turned health system leader and AI entrepreneur. He is Founder and CEO of Query Health (since 2024), an AI platform that interviews patients before their appointments so physicians can spend visit time on diagnosis and care. He also serves as Interim Chief Medical Officer of Hill Physicians Medical Group, a 6,000+ physician IPA in the San Francisco Bay Area, and as Chief Medical Officer of Dapper Care.

Dr. Loomis began his career in military medicine and spent about a decade in medical education before two decades leading medical groups and health systems. He was President and CEO of St. Elizabeth Physicians in Kentucky for five years, then System Chief Medical Officer and Medical Group President at Health Quest (2016–2019), where he helped negotiate the merger with Western Connecticut Health Network that formed the $2.4 billion Nuvance Health. He has since been Chief Medical Officer of Simply Speak, a senior physician executive at Cerner, President of KMG and a medical consultant to Thirty Madison, and he has served on the board of the American Medical Group Association.

He holds a BS and MD from The Ohio State University and an MS in Healthcare Management from the University of Texas, completed fellowships in faculty development and health care policy, and is board certified in AI in medicine.