Overview
Jack B. Soll is the Gregory Mario and Jeremy Mario Distinguished Professor of management at Duke University's Fuqua School of Business, having joined Duke in 2005. He holds a Ph.D. from the University of Chicago’s Graduate School of Business, where he specialized in behavioral science and economics. Prior to joining Duke, Soll was on the faculty at INSEAD in Fontainebleau France, and also served as a visiting professor at Chicago and Wharton. Professor Soll has taught courses in decision making, managerial effectiveness, leadership, negotiations, and statistics. He has taught extensively in both executive education and daytime MBA programs.
Professor Soll’s research focuses on the psychology of judgment and decision making. He has written extensively on the phenemenon of overconfidence—the tendency for people to believe that outcomes are more certain than they really are. His current research interests include group decision making, and also the implications of behavioral decision research for public policy. He has published in a number of scholarly journals, including Science, Management Science, Organizational Behavior and Human Decision Processes, and the Journal of Experimental Psychology.
Professor Soll’s research focuses on the psychology of judgment and decision making. He has written extensively on the phenemenon of overconfidence—the tendency for people to believe that outcomes are more certain than they really are. His current research interests include group decision making, and also the implications of behavioral decision research for public policy. He has published in a number of scholarly journals, including Science, Management Science, Organizational Behavior and Human Decision Processes, and the Journal of Experimental Psychology.
Current Duke Appointments & Affiliations
Gregory Mario and Jeremy Mario Distinguished Professor of Business Administration
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2023 - Present
Fuqua School of Business
Professor of Business Administration
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2019 - Present
Fuqua School of Business
Recent Scholarly Works
Individual differences in overconfidence: A common core and its motivational and cognitive correlates.
Journal article Cognition · November 2026 Judgment and decision making research has typically not explicitly considered whether there are individual differences in overconfidence. When correlations among individual measures are reported, the strength of associations tends to be modest. Despite thi ... Full text CiteWhat’s Accessible Is Expressible: When Advice Seekers Are More Likely to Anchor Their Advisors
Journal article Social Psychological and Personality Science · August 1, 2026 Despite evidence that advice is most beneficial for increasing decision accuracy when advisors form independent judgments, people sometimes undermine this independence by sharing their preliminary conclusions when seeking advice. We propose that following ... Full text CiteEvidence of a social evaluation penalty for using AI.
Journal article Proceedings of the National Academy of Sciences of the United States of America · May 2025 Despite the rapid proliferation of AI tools, we know little about how people who use them are perceived by others. Drawing on theories of attribution and impression management, we propose that people believe they will be evaluated negatively by others for ... Full text CiteEducation
The University of Chicago ·
1997
Ph.D.
The University of Chicago ·
1996
M.B.A.
Carleton College ·
1988
B.A.