Rate My Professor Johan Bollen

Johan Bollen is a Professor of Informatics and Cognitive Science at Indiana University’s Luddy School of Informatics, Computing, and Engineering, where he also serves as Director of the Center for Social and Biomedical Complexity and a member of the Indiana University Network Institute. He holds a concurrent position as Professor at the University of Amsterdam’s Faculty of Science, Informatics Institute. Bollen earned his PhD in Experimental Psychology from the Vrije Universiteit Brussel in 2001 and an MS in experimental psychology from the Free University of Brussels in 1993. His academic career includes appointments as Assistant Professor in the Department of Computer Science at Old Dominion University from 2002 to 2005 and Staff Scientist at Los Alamos National Laboratory from 2005 to 2009.

Bollen’s research specializes in computational social science, network science, complex systems, science of science, socio-economic modeling, mental health and well-being, and collective intelligence. He has authored over 80 peer-reviewed articles, with his work cited more than 23,000 times according to Google Scholar. Key publications include “Twitter mood predicts the stock market” (Journal of Computational Science, 2011, with Huina Mao and Xiao-Jun Zeng), “Clickstream Data Yields High-Resolution Maps of Science” (PLoS ONE, 2009, with Herbert Van de Sompel et al.), “A Principal Component Analysis of 39 Scientific Impact Measures” (PLoS ONE, 2009, with Herbert Van de Sompel et al.), and “The minute-scale dynamics of online emotions reveal the effects of affect labeling” (Nature Human Behaviour, 2019, with Rui Fan et al.). His contributions have advanced usage-based metrics for research impact, social media analytics for economic prediction, and models of emotion dynamics in networks. Bollen’s projects have received funding from the National Science Foundation, Defense Advanced Research Projects Agency, Intelligence Advanced Research Projects Activity, National Institutes of Health, Economic Development Administration, NASA, and the Andrew W. Mellon Foundation, including grants for meme diffusion studies, altmetrics evaluation, and regional economic development modeling.