Lina Walker is senior vice president of global thought leadership for AARP, the largest nonprofit, nonpartisan organization in the United States dedicated to empowering Americans 50 and older to choose how they live as they age. Walker heads the AARP international and thought leadership departments, helping to strengthen public policies and private sector practices to enable all adults to live healthier and longer lives. She has deep and broad knowledge of aging issues and has held positions in academia, state government, congressional agencies, and the nonprofit sector to strengthen access to health care, long-term care, and financial security.