Exciting developments for New Zealand education have provided opportunities recently for teachers and other educators to express their professional aspirations in assessment. The mantle of fostering teachers' professionalism through strong relationships across the education sector and relevant stakeholder groups, and the provision of timely professional learning opportunities and pertinent resources to build assessment capability, is experiencing a revival through the recent establishment of the New Zealand Assessment Institute (NZAI). This commentary article explains the NZAI, why it was established, its provision of an assessment seminar series for educators and the effects of those seminars on educator thinking and their intended professional practice.