This theme issue brings together studies of professional knowledge and its transformation and use. Becoming a professional is a process of fusing theory and experience. Assumptions about learning in general do not necessarily apply to the professional training of teachers, and their applicability should be questioned. (SLD)

This study focuses on professionals' views on knowledge and knowing in learning from conversations. Our main interest was how learning teams of professionals evaluate knowledge exchange and knowledge explication as knowledge productive, based on their initial views on knowledge and knowing. We used a mixed method research design that combined…