Giorgos Tsiolis is Associate Professor and Chair in the Department of Sociology at the University of Crete. He specializes in qualitative methods in sociological research and especially the use of NVivo software for qualitative analysis. He has participated in many national research projects and his publications include two relevant monographs: Tsiolis, G. (2014), Methods and techniques of analysis in qualitative social research, Athens: Kritiki, Tsiolis, G. (2006), Life stories and biographical narratives: Biographical approaches in sociological research, Athens: Kritiki.