Zoltán Varga received his PhD in Differential Games at the Moscow State University in 1979. Since 1993 he is full professor at the Institute of Mathematics and Computer Science at Szent István University, Hungary. Zoltán Varga has also held positions at Budapest University of Economics, Budapest University of Technology, and L. Eötvös University in Budapest as associate professor, and he was visiting professor at the Universidad Central de Venezuela for two years.