Jonathan Jackson, PhD, is the director of the Community Access, Recruitment, and Engagement (CARE) Research Center at Massachusetts General Hospital and Harvard Medical School. CARE investigates the impact of diversity and inclusion on the quality of human subjects research and leverages deep community entrenchment to build trust and overcome barriers to clinical trial participation. His research focuses on midlife and late-life health disparities in clinical settings that affect underserved populations. Dr. Jackson also works as a cognitive neuroscientist, investigating the early detection of Alzheimer disease, particularly in the absence of overt memory problems. He has become a well-known representative to underserved communities and dozens of affiliated organizations, particularly regarding participation in clinical research. Dr. Jackson serves on the leadership team of several organizations focused on community health, and has written guidance for local, statewide, and national groups on research access, engagement, and recruitment.