Olivier Sibony is a professor, writer and keynote speaker 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.

Previously, 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 or co-author of numerous scientific articles in peer-reviewed journals (Strategy Science, Long Range Planning, Research in Economics) and in practitioner-oriented publications (Harvard Business Review, McKinsey Quarterly, MIT Sloan Management Review, California Management Review).

His book Vous Allez Commettre Une Terrible Erreur !, published in English as You’re About to Make a Terrible Mistake!, was awarded the 2019 Manpower Foundation Grand Prize for best management book of the year and is also being translated into a dozen languages. He is also the co-author of Cracked It! How To Solve Big Problems and Sell Solutions Like Top Strategy Consultants (Palgrave MacMillan, 2018, with B. Garrette et C. Phelps), of Vous Allez Redécouvrir le Management (2020), and a contributor to the 2019 edition of Strategor, the best-selling French-language strategy textbook.

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 top management and 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 is a knight in the French Order of the Légion d’Honneur. He is married and the father of two children. He lives in Paris.