Biography

Cass Sunstein is currently the Robert Walmsley University Professor at Harvard. He is the founder and director of the Program on Behavioral Economics and Public Policy at Harvard Law School. In 2018, he received the Holberg Prize from the government of Norway, sometimes described as the equivalent of the Nobel Prize for law and the humanities. In 2020, the World Health Organization appointed him as Chair of its technical advisory group on Behavioural Insights and Sciences for Health. From 2009 to 2012, he was Administrator of the White House Office of Information and Regulatory Affairs, and after that, he served on the President’s Review Board on Intelligence and Communications Technologies and on the Pentagon’s Defense Innovation Board. Mr. Sunstein has testified before congressional committees on many subjects, and he has advised officials at the United Nations, the European Commission, the World Bank, and many nations on issues of law and public policy. He serves as an adviser to the Behavioural Insights Team in the United Kingdom.

Mr. Sunstein is author of hundreds of articles and dozens of books, including Nudge: Improving Decisions about Health, Wealth, and Happiness (with Richard H. Thaler, 2008), Simpler: The Future of Government (2013), The Ethics of Influence (2015), #Republic (2017), Impeachment: A Citizen’s Guide (2017), The Cost-Benefit Revolution (2018), On Freedom (2019), Conformity (2019), How Change Happens (2019), and Too Much Information (2020). He is now working on a variety of projects involving the regulatory state, “sludge” (defined to include paperwork and similar burdens), fake news, and freedom of speech.

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Videos

How Change Happens | Cass Sunstein | RSA Replay

Cass Sunstein explains how change happens at BX2019

Cass Sunstein: Falsehoods and Free Speech In An Age of Deception

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Administrative Law

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Environmental Law and Policy

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Constitutional Law

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Employment Law

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Law and Economics: Behavioral Law and Economics

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Booksby Cass Sunstein

Nudge

Conspiracy Theories and Other Dangerous Ideas

Simpler: The Future of Government

Worst-Case Scenarios cass

Laws of Fear: Beyond the Precautionary Principle

The Second Bill of Rights

Why Societies Need Dissent

Risk and Reason

Blog Posts

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Happiness at work goes beyond perks. Discover the research-backed factor that drives real engagement and fulfillment.

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Discover how AI is reshaping work in 2026 and which keynote speakers can guide your team through the shift.

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Event Planning Strategies to Book the Right Keynote Speaker

Learn how to choose the right event keynote speaker by balancing executive expectations with what your attendees actually want.

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