His areas of expertise include multivariate data reduction (dimension reduction and clustering), measurement in the social sciences and psychological testing. Software development (in R) is an important aspect. Angelos holds a Ph.D. degree in Applied Informatics from the University of Macedonia, Thessaloniki. He has previously served as adjunct faculty at the Aristotle University of Thessaloniki, University of Macedonia and the Technological Educational Institute of Thessaloniki where he taught undergraduate and graduate courses of statistics, data analysis and quantitative methods. He was a Visiting Scholar at the Statistics Department of Stanford University in the first trimester of 2017. He is currently the Treasurer of the Greek Society of Data Analysis (GSDA) and a Board Member since 2005. More about his current research can be found here.