Date of Birth: 
Place of Birth: Belgium
About Johan Bollen
- Johan Lambert Trudo Maria Bollen (born 1971) is a scientist investigating complex systems and networks, the relation between social media and a variety of socio-economic phenomena such as the financial markets, public health, and social well-being, as well as Science of Science with a focus on impact metrics derived from usage data.
- He presently works as associate professor at the Indiana University School of Informatics of Indiana University Bloomington and a fellow at the SparcS Institute of Wageningen University and Research Centre in the Netherlands.
- He is best known for his work on scholarly impact metrics, measuring public well-being from large-scale socia media data, and correlating Twitter mood to stock market prices. He has taught courses on data mining, information retrieval, and digital libraries.
- His research has been funded by The Andrew W.
- Mellon Foundation, National Science Foundation, Library of Congress, National Aeronautics and Space Administration and the Los Alamos National Laboratory.
- In his free time, he DJs at the Root Cellar Lounge in Bloomington, Indiana.
- He specializes in Deep House and Techno.
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