Junaidi is a lecturer in the Statistics Study Program. Currently, he is a head of the Mathematics Department, Mathematics and Natural Sciences Faculty, Tadulako University, Palu. He holds a PhD degree in statistic from Newcastle University (Australia). His research interests are Bayesian Hirarchcial Models and Meta-analysis. R, a statistical programming language, is an essential basis of his research. In his role as counterpart for the CRC 990, he joins the INF project, and works together with its PIs Dr. Horstmann, Prof. Kneib and Prof. Yahyapour.