Kalev H. Leetaru is an American scientist with Estonian roots, who is active in the field of information analysis. He has gained recognition for the application of super computers for analysing news flows and public databases. During the current academic year, he is the Yahoo! Fellow in Residence of International Values, Communications Technology & the Global Internet in the Edmund A. Walsh School at Georgetown University. Before going to Georgetown, Leetaru worked at the University of Illinois. His most famous project is Culturomics 2.0, the goal of which is to predict great social shocks, such as the events of the Arab Spring, by using the appropriate keywords to analyse public news flows and examine their tonality. He has many specialised U.S. patents; he has been asked to speak to many academic circles, and his work has been featured in Nature, The New York Times, BBC, The Economist, and the Discovery Channel, etc.