Developing a sustainable, competent workforce is an urgent and challenging task for the Infant Mental Health (IMH) field. In this article, the authors share their experiences and perspectives on the importance of and challenges in the development of the IMH workforce. The broad view of both workforce members and professional development experiences provides ideas for readers from many disciplines. This article summarizes key questions and general challenges in both professional development and the translation of training to practice. The authors discuss specific considerations regarding the unique issues in distance learning strategies for the field and identify future steps to advance the quality and evidence base for IMH professional development.