Marius Guenzel

Marius Guenzel is an Assistant Professor of Finance at the Wharton School, University of Pennsylvania. His research bridges behavioral finance, corporate finance, and organizational economics, focusing on how nonstandard preferences and biases shape managerial decisions under uncertainty.

• Primary Email: mguenzel@wharton.upenn.edu
• Office Phone: (215) 898-7543
• Office Address: 2455 Steinberg-Dietrich Hall, 3620 Locust Walk, Philadelphia, PA 19104

His work employs quasi-experimental designs and modern machine learning techniques to analyze:

• Biases in corporate decision-making (sunk cost fallacy, overconfidence)
• Personality extraction from facial images (labor and credit market implications)
• CEO aging and mortality linked to managerial stress
• Belief formation in financial forecasting

Recent NBER presentations (2025) highlight his studies on mental models, prosociality, and long-run cash flow expectations. His research has been featured in outlets like The Wall Street Journal, Forbes, and Business Insider.

Advising: Mentions three students (Yue Sun, Zhiyuan Zhang, Chenyu Zhang) in the Department of Finance and Statistics at the University of Pennsylvania.