Current literature suggests that while teacher educators perform a multitude of complex roles, they receive minimal preparation or possibilities for professional development to fulfil these roles. As a result, they need to acquire relevant knowledge and skills after taking on the position of teacher educators. Therefore, it is important to learn what skills and knowledge teacher educators need and how they acquire such skills and knowledge throughout their career. The purpose of the study is to describe the professional development needs and activities of 61 teacher educators across six national jurisdictions (England, Ireland, Israel, Norway, Scotland, The Netherlands) and to reveal influencing factors and affordances conducive to professi...