 The Teaching for Implementation, TFI framework provides a comprehensive guide for training implementation scientists and practitioners. It distinguishes between these two groups by identifying their respective roles and responsibilities, as well as their unique skill sets. TFI also outlines the types of knowledge and skills needed to effectively implement evidence-based interventions. Finally, it suggests strategies for teaching implementation science and practice in co-learning environments. This article was authored by Aaron L. Lepping, Anna A. Baumann, Maria E. Fernandez, and others.