Responsible in quantitative projects for the data collection phase, the programming of questionnaires and sample controls, the database management and the data analysis (descriptive and multi-varietyanalysis).Project management for a panel study of business activity for a German door manufacturer;development of the study; development of the calculation models, which includes a time series model(ARIMA); contact and presentation to the customer. Writing chapters in our study reports regarding to the methodological issues, the results and the interpretation of analyses.Consulting of our project managers regarding to questionnaire development, sample designing, quota controlling and data analyses.