Cass Sunstein (born 1954) is an American legal scholar, government official, and author best known for his research on constitutional law, behavioral economics, and public policy. His ideas on “nudging” people toward better decisions have shaped modern policymaking worldwide.
Life and Career
- Born in Concord, Massachusetts, Sunstein studied at Harvard College and earned his law degree from Harvard Law School.
- He taught law for many years at the University of Chicago before returning to Harvard Law School as a professor.
- From 2009 to 2012, he served as the Administrator of the Office of Information and Regulatory Affairs in the Obama administration.
- A prolific writer, Sunstein has authored influential works such as Nudge (with Richard Thaler), Simpler, On Freedom, and The Cost-Benefit Revolution.
- His academic and policy work bridges law with psychology and economics, promoting evidence-based governance.
Influence
Cass Sunstein’s scholarship has transformed debates on democracy, regulation, and decision-making. His theory of choice architecture continues to inspire governments, businesses, and researchers globally.
Inspiring Cass Sunstein Quotes
- “Small nudges can lead to meaningful change.”
- “Freedom includes the ability to make informed choices.”
- “Policy is strongest when grounded in evidence.”
- “Democracy depends on active and informed citizens.”
- “Good laws expand opportunity, not limit it.”
- “Choice architecture can guide people without taking freedom away.”
- “Regulation works best when it improves lives.”
- “Law should serve justice and progress, not just authority.”
- “Behavioral insights are powerful tools for public good.”
- “Liberty is meaningful only when paired with responsibility.”





