Olivier Sibony is a contemporary scholar and author specializing in decision-making, cognitive biases, and judgment quality in organizational and strategic contexts. A former senior partner at McKinsey & Company and professor at HEC Paris, he is best known for his work on 'noise'—unwanted variability in human judgment—co-authored with Daniel Kahneman and Cass Sunstein. His research bridges behavioral economics, applied epistemology, and management science.
Co-authored 'Noise: A Flaw in Human Judgment' (2021) with Daniel Kahneman and Cass Sunstein
Authored 'You Are About to Make a Terrible Mistake!' (2019), synthesizing cognitive bias research for strategic decision-making
Distinguished professor at HEC Paris, teaching strategy and decision-making
Advanced the concept of 'noise' as distinct from 'bias' in systematic errors of judgment
Applied behavioral insights to organizational decision quality through long career at McKinsey & Company