Hillary Lum, MD, PhD conducts patient-centered outcomes research to improve care for older adults with serious illness, including persons living with dementia and their family care partners. She is a geriatrician, palliative care physician, and Associate Professor in the Division of Geriatric Medicine, Department of Medicine, at the University of Colorado School of Medicine. In 2023, she was appointed Associate Division Head of the Division of Geriatric Medicine.

Her research focuses on developing and implementing effective models of care into primary care. As an NIA Beeson Scholar, she developed a novel Advance Care Planning Group Visit. The Group Visit intervention engages older adults in advance care planning conversations and communicating their preferences with their healthcare system. In 2021, she was one of the first NIA IMPACT Collaboratory Health Care System Scholars. She was a 2015-2016 Health and Aging Policy Fellow, is a Co-Director of the CCTSI Clinical Faculty Scholars Program, and is a Co-Director of the NIA T32 Multidisciplinary Palliative Care Research in Aging. She serves in editorial roles with the Journal of the American Geriatrics Society and Palliative Medicine Reports.