Olivier Sibony is a professor, writer and advisor specializing in the quality of strategic thinking and the design of decision processes. Olivier teaches Strategy, Decision Making and Problem Solving at HEC Paris. He is also an Associate Fellow of Saïd Business School in Oxford University.

Before he was a professor, Olivier spent 25 years with McKinsey & Company in France and in the U.S., where he was a Senior Partner. There, he was, at various times, a leader of the Global Strategy Practice and of the Consumer Goods & Retail Sector.

Olivier’s research interests focus on improving the quality of decision-making by reducing the impact of behavioral biases. He is the author of articles in various publications including “Before You Make That Big Decision”, co-authored with Nobel Prize winner Daniel Kahneman, which was selected as the cover feature of Harvard Business Review’s book selection of “10 Must-Reads on Making Smart Decisions”. In French, he also authored a book, Réapprendre à Décider.

Olivier builds on this research and on his experience to advise senior leaders on strategic and operational decision-making. He is a frequent keynote speaker and facilitator of senior management and supervisory board meetings. He also serves as a member of corporate, advisory and investment boards.

Olivier Sibony is a graduate of HEC Paris and holds a Ph. D. from Université Paris-Dauphine.

He lives in Paris.

Cass R. Sunstein is the Robert Walmsley University Professor at Harvard Law School, where he is the founder and director of the Program on Behavioral Economics and Public Policy. He is by far the most cited law professor in the United States. From 2009 to 2012 he served in the Obama administration as Administrator of the White House Office of Information and Regulatory Affairs. He has testified before congressional committees, appeared on national television and radio shows, been involved in constitution-making and law reform activities in a number of nations, and written many articles and books, including Simpler: The Future of Government and Wiser: Getting Beyond Groupthink to Make Groups Smarter.

Daniel Kahneman (Hebrew: דניאל כהנמן‎, born March 5, 1934) is an Israeli-American psychologist notable for his work on the psychology of judgment and decision-making, as well as behavioral economics, for which he was awarded the 2002 Nobel Memorial Prize in Economic Sciences (shared with Vernon L. Smith). His empirical findings challenge the assumption of human rationality prevailing in modern economic theory. With Amos Tversky and others, Kahneman established a cognitive basis for common human errors that arise from heuristics and biases (Kahneman & Tversky, 1973; Kahneman, Slovic & Tversky, 1982; Tversky & Kahneman, 1974), and developed prospect theory (Kahneman & Tversky, 1979).

In 2011, he was named by Foreign Policy magazine to its list of top global thinkers. In the same year, his book Thinking, Fast and Slow, which summarizes much of his research, was published and became a best seller. He is professor emeritus of psychology and public affairs at Princeton University's Woodrow Wilson School. Kahneman is a founding partner of TGG Group, a business and philanthropy consulting company. He is married to Royal Society Fellow Anne Treisman.

In 2015 The Economist listed him as the seventh most influential economist in the world.

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