|Died||September 22, 2017 (aged 92)|
After attending Boston Latin School, Yankelovich graduated from Harvard University in 1946 and 1950 before completing postgraduate studies at the Sorbonne in France. As a psychology professor he has taught at New York University and The New School for Social Research. In 1996 he served as Senior Fellow at the John F. Kennedy School of Government at Harvard.
In 1958 he founded the marketing and research firm Daniel Yankelovich, Inc., which was later renamed as Yankelovich, Skelly, & White, Inc., remaining chair till 1986. In 2008, Yankelovich merged with Henley HeadlightVision to create The Futures Company, a planning consultancy that exists under the WPP communications holding company. He also founded The New York Times/Yankelovich Poll, now The New York Times/CBS Poll. In 1976, together with Cyrus Vance, he founded Public Agenda, a nonpartisan group devoted to public opinion and citizen education. In 1995 he was awarded the Helen Dinerman Award by the World Association for Public Opinion Research.
Landmark Education study
Yankelovich conducted an analysis of Landmark Education, Analysis of The Landmark Forum and Its Benefits, which consisted of a survey conducted of more than 1300 people who completed The Landmark Forum during a three-month period. Some details of the study methodology, especially concerning sampling methods and demographics of study participants, remain undefined in Landmark Education's "full report" on it. It is unknown whether any part of Yankelovich's study was based on direct empirical research through participation in any of Landmark Education's related coursework. Yankelovich concluded that 3 month after having participated 90% to 95% self-reported value in taking the course.
His books include Coming to Public Judgment:Making Democracy Work in a Complex World (ISBN 0-8156-0254-5), The Magic of Dialogue:Transforming Conflict into Cooperation (ISBN 0-684-85457-0), Profit With Honor: The New Stage of Market Capitalism (ISBN 0-300-10858-3), and Uniting America: Restoring the Vital Center to American Democracy (editor, with Norton Garfinkle, Yale University Press, 2006 (ISBN 0-300-10856-7)).
Trusteeships and Advisory Boards
He has served as a trustee at the Carnegie Foundation for the Advancement of Education, the Kettering Foundation, Brown University, and the UC San Diego Foundation.
Yankelovich was Chair of the Advisory Board of the Future of American Democracy Foundation, a nonprofit, nonpartisan foundation in partnership with Yale University Press and the Yale Center for International and Area Studies, "dedicated to research and education aimed at renewing and sustaining the historic vision of American democracy." He was elected to the Common Cause National Governing Board in 1976.
In 2012, he founded the Yankelovich Center for Social Science Research at the University of California, San Diego, devoted to using social science to find practical solutions to the nation's most pressing problems. The center's projects include a commission to recommend evidence-based strategies for increasing upward mobility. 
- Current Biography Yearbook. H. W. Wilson Co. 1982. p. 449.
- Agenda, Public. "Daniel Yankelovich". www.publicagenda.org. Retrieved 2016-12-20.
- "Daniel Yankelovich".
- World Association for Public Opinion Research, "Award Winners," accessed 2016-06-11
- Landmark Education, website, Yankelovich Study, excerpted Archived 2006-10-17 at the Wayback Machine
- Landmark Education, website, quote, RE: Yankelovich Study Archived 2006-10-17 at the Wayback Machine
- "Daniel Yankelovich - Roper Center".
- Foundation, The Future of American Democracy. "The Future of American Democracy Foundation".
- "Welcome - Yale University Press".
- "Public Opinion Expert Daniel Yankelovich Endows Multimillion Dollar Fund at UC San Diego".
- "Mobility Commission".