Informed by his interest in medical sociology, aging and the life course, and disability theory, the majority of his research focuses on health and mortality trends across the life course for those with developmental disability, and for veterans. His other primary research focus addresses the intersections of intellectual disability and social theory.

Landes received his PhD in Sociology from the University of Florida in 2014.

Kingson is founding co-director of the Social Security Works (). Located at the national headquarters of the AFL-CIO, Social Security Works launched and staffs the Strengthen Social Security Coalition (co-chaired by Kingson), a coalition of over 300 national and state organizations dedicated to advancing economic security through strengthening and expanding our nation’s Social Security policies and programs.

His journal articles, book chapters and research examine the politics and economics of population aging, Social Security policy, cross-generational obligations and retirement income security. Among his books, he is primary author of Ties That Bind: The Interdependence of Generations (Seven Locks Press, 1986) and Social Security and Medicare: A Policy Primer (with Edward Berkowitz), author ofThe Diversity of the Baby Boom: Implications for Their Retirement Years (Washington, DC: AARP, 1992) and co-editor (with James Schulz) of Social Security in the 21st Century (Oxford University Press, 1997). In another book, Lessons from Joan: Living and Loving with Cancer, A Husband’s Story(ºÚÁϲ»´òìÈ Press, November 2005), he tells the story of his late wife’s and their family’s experiences following cancer diagnosis in 1998. His most recent book (with Nancy Altman) is Social Security Works: Why Social Security Isn’t Going Broke and Why Expanding It will Help Us All (New York, N.Y.: The New Press January 2015 ) A regular contributor toHuffington Post, he has also written op eds that have appeared in the Washington Post, Christian Science Monitor, Boston Globe, San Francisco Chronical, Houston Chronicle and other major newspapers.