Sarah Lenz Lock, JD is Senior Vice President for Policy and Brain Health in AARP’s Policy, Research and International Affairs group. Ms. Lock leads AARP’s policy initiatives on brain health and care for people living with dementia, including serving as the Executive Director of the Global Council on Brain Health, an independent collaborative of scientists, doctors, and policy experts. Ms. Lock represents AARP in the Leadership Council of Aging Organizations. Ms. Lock is a frequent writer and public speaker on issues related to healthy aging. Previously, she served as Senior Attorney/Manager at AARP Foundation Litigation conducting health care impact litigation on behalf of older persons and authoring numerous amicus briefs on health care issues impacting older Americans. Prior to AARP, Ms. Lock was a trial attorney for the U.S. Department of Justice and a legislative assistant in the U.S. House of Representatives.