E. Nellas is a member of the Laboratory and Teaching Staff at the Laboratory of Agribusiness Management in Department of Agricultural Economics & Rural Development, Agricultural University of Athens. He has a BSc in Agricultural Economics from the Department of Agricultural Economics and Rural Development – Agricultural University of Athens, a Postgraduate Diploma Specialization in Agricultural Economics “D.S.P.U.” from Mediterranean Agronomic Institute of Montpellier (I.A.M.M.) and a Postgraduate Diploma Specialization in the Agricultural Applied Statistics and Computer Science. He has worked as researcher in the Agriculture University of Athens and he has taught courses with regard to PC use in programs of Postgraduate Training and in Private Technical Schools. He has participated in projects regarding the Rural Development and Farm Management, with emphasis in the Statistical Analysis of Economics Data with use of PC and in the Creation of completed Informative systems. From 2002, he teaches the laboratorial exercises of course “Research Methods in Agricultural Economics and Rural Sociology” that is related with the Analysis of Data with use of SPSS/PC for Windows.