Tomás is the Director of the UIB Decision Science Laboratory. He received his doctorate in Universitat Pompeu Fabra (Spain) in 2009. He was a Postdoctoral Fellow at the Dynamic Decision Making Laboratory in Carnegie Mellon University (USA), and later a Visiting Associate Professor at the Universitat de les Illes Balears (Spain). From 2013 to 2016, Tomás was a Research Scientist at the Center for Adaptive Rationality in the Max Planck Institute for Human Development in Berlin (Germany). He is interested in how individuals and groups explore, process, and integrate descriptive (symbolic information) and personally experienced information when making decisions. His most recent publications are:

Lejarraga, T., Woike, J. K., & Hertwig, R. (2024). What makes depression babies different: Expectations or preferences?. Journal of Behavioral and Experimental Finance, 44, 100998.

Lejarraga, T., Schnitzlein, D. D., Dahmann, S. C., & Hertwig, R. (2024). Birth‐order effects on risk taking are limited to the family environment. Annals of the New York Academy of Sciences, 1531(1), 60-68.

Lejarraga, T., Ranganathan, K., & Wulff, D. U. (2024). Can simulated experience be harnessed to help people make investment decisions?. Judgment and Decision Making, 19, e24.