The Tennessee First Five Training Institute (TFFTI) is a workforce development project to build infant and early childhood mental health (IECMH) capacity across Tennessee's community mental health agencies. TFFTI focused on foundational trainings in IECMH concepts, training in child-parent psychotherapy, dyadic, trauma treatment for children birth to 6 years old, and reflective consultation. This article will discuss TFFTI's programmatic shift in the wake of Tennessee's March 3, 2021, tornado, COVID-19, and the murder of George Floyd. The authors highlight TFFTI's collaborations with national partnerships to adapt training and provide support through virtual formats. The authors discuss lessons learned and provide guidance for others considering large-scale IECMH workforce development efforts.