Roman Sigov is a research fellow at the Department of Quantitative Research of Kyiv International Institute of Sociology. He obtained his degree in Sociology from Kyiv National University “Kyiv-Mohyla Academy”. He has an experience in conducting surveys implying both qualitative and quantitative techniques, including multinational ones. The last studies on which he worked were dedicated to the mental health and decentralisation reform in Ukraine. Roman manages different stages of sociological research from the process of instrument elaboration to data analysis. Roman can run statistical analysis of varying complexity, including hierarchical linear modelling and various content analysis.