 Ge is chief of chair of Department of Numerical mathematics and Its Applications at the Faculty of Mathematics, University of Belgrade.Later on, many University of Belgrade professors, primarily from Faculty of Mathematics, Faculty of Electrical Engineering, and Faculty of Physics, as well as from Belgrade Institute of Physics and from Vinča Institute of Nuclear Sciences, joined informatics teaching staff at Mathematical Grammar School.Programmers club at Faculty of Electrical Engineering was opened by the MG alumni in 1983, by MG alumnus Dejan Ristanović (graduated in 1981).