Dan Ariely (US)

Dan Ariely (US)

Professor & Author, Predictably Irrational


From why people cheat to how we decide what something should cost, Dan looks at the irrational nature of people and the choices we all make, no matter how logical we think we’re being. With wit and insight he uses examples from restaurant bills to CEO’s bonuses to our health choices to highlight the irrational and make us aware of what informs our decision-making.


Dan Ariely is the Professor of Psychology and Behavioural Economics at Duke University, North Carolina and a founding member of the Centre for Advanced Hindsight. He is the acclaimed author of Predictably Irrational: The Hidden Forces that Shape Our Decisions, advisor to a range of companies, and his TED speeches have over 10million views.

Having studyied psychology (after switching from physics and mathematics) in his native Israel, taken a Masters in cognitive psychology in North Carolina, and finally a doctorate in business administration at Duke University, Dan has spent most of his career combining these fields to become one of the world’s leading thinkers on behavioural economics.

With simple experiments and surveys, Dan studies how people act in groups, communities and markets, and contrasts it with what they should do, or would do if they were being logical. He considers how a simple change in the phrasing of a question or proposition can have huge effects in both individual and mass decision-making. He looks at how people act very differently when money is involved and how people explain their dishonesty to themselves.

Along with the best-selling Predictably Irrational in which he looks at the common misconception that people make rational, conscious choices, Dan has also written The Upside of Irrationality: The Unexpected Benefits of Defying Logic, and The (Honest) Truth About Dishonesty: How We Lie to Everyone – Especially Ourselves. He’s also reflected on how we can be smarter with our finances once we realise why we make the choices we make in Small Change: Money Mishaps and How to Avoid Them.

Delivered with humour and insight, Dan’s speeches and written work shine a light on how people behave, why, and what impact it has on business, society and policy.

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