Co-Directors of the Credibility Lab

Uri Simonsohn

Uri Simonsohn is a professor at the ESADE business school at Ramon Llull Universitat in Barcelona, Spain. He is a senior fellow at the Wharton School where he was a professor from 2003 till 2017. Uri obtained an undergraduate degree in economics from Pontificia Universidad Católica de Chile in 1997, and a PhD in Social and Decision Sciences at Carnegie Mellon University in 2003. He conducts research in judgment and decision making and pragmatic methodology.

Joe Simmons

Joe Simmons is a professor at the Wharton School of the University of Pennsylvania. Prior to joining Wharton, Joe was a professor at Yale. Joe obtained a BS in psychology from the Mount Saint Mary’s College in 1999 and his PhD in Psychology from Princeton University in 2004. He has two primary areas of research. The first explores the psychology of judgment and decision-making, with an emphasis on understanding and fixing the errors and biases that plague people’s judgments, predictions, and choices. The second area focuses on identifying and promoting easy-to-adopt research practices that improve the integrity of published findings.

Leif Nelson

Leif Nelson is a professor at the Haas School of Business at University of California, Berkeley. Previously, Leif was a professor first at New York University and then at the University of California, San Diego. Leif obtained his undergraduate degree in psychology from Stanford University in 1998 and a PhD in Psychology from Princeton University in 2003. Using lab and field experimentation, his research has considered the role of altruism in profit-oriented markets. Additionally, he investigates how to identify, assess, and improve the quality of scientific evidence.

The Wharton School

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