She is an expert and thought leader in research and policy relating to the care of persons with complex health needs and disabilities. She has made major contributions to increasing understanding of the role of family caregivers in the interactions of older adults with the medical community. She has been involved in the development and evaluation of numerous initiatives aimed at better supporting older adults and their family caregivers, including applied research to develop practical tools and strategies that may be readily deployed in care delivery. Her research has been published in top-ranked journals including NEJM, JAMA, Journal of the American Geriatrics Society, Social Science and Medicine, and Health Affairs. She has led projects that have been funded by the National Institute on Aging, the National Institute of Mental Health, AARP, the Jacob and Valeria Langeloth Foundation, the Milbank Memorial Fund, and Atlantic Philanthropies.