He is particularly interested in examining how social networks and organizational processes influence employment outcomes over time, and he tackles these questions by examining different empirical settings with unique longitudinal datasets, at both the individual and organizational level.
[1] He graduated from the University of Barcelona, where he received a Bachelor of Arts degree in Economics.
In a 2010 article published in Administrative Science Quarterly with Stephen Benard, a Professor of Sociology at Indiana University, Castilla showed that when companies promoted meritocracy, managers tended to promote men at the expense of women.
[5] In a 2011 article published in the American Sociological Review, Castilla showed that, while organizational structures do lead to workplace inequality, managers also play a role in inequality regardless of performance due to their own social networks and homophily.
[6] Castilla has also made research contributions about immigrant workers in the United States.