Mike Thelwall leads the Statistical Cybermetrics Research Group at the University of Wolverhampton, UK. He has developed and evaluated free software and methods for systematically gathering and analysing web and social web data, including for sentiment analysis, altmetrics and webometrics, and for Mendeley, Twitter, YouTube, Google Books, blogs and the general Web. He also conducts evaluation exercises for large organisations using web data, including for various divisions within the United Nations and European Commission. He has co-authored hundreds of refereed journal articles and has written three books.