István Csabai professor of physics, corresponding member of the Hungarian Academy of Sciences. He is doing research in several multidisciplinary fields where the new technologies make possible to collect and analyze large amount of data. His research focus is to understand complex systems, be it the living cell, the manmade Internet, or the large scale structure of the Universe. With his research group at Eötvös University, Budapest they combine the standard domain knowledge of the traditional disciplines with methods of modern statistical analysis, data mining, machine learning and efficient computational techniques.