In this paper, the author narrates his interest to undertake research about the biographical narrative topic, trying to understand and interpret in the light of life and experience of his colleagues, those processes by which one undertakes to get to become a teacher. This concern arises as a way to reconfigure ones biographical itinerary, as a way to understand oneself in the lives of others, and to narrate the experiences, meanings, and meanings that emerge in her experience as a teacher, opening the possibility of knowledge and deployment of its own historical being.