As part of my participation in the Redesign PD Partnership, I had the opportunity to learn from Brian Dassler, an amazing educator and deputy chancellor in the Florida Department of Education. Dassler, who died suddenly in March, advocated for a deep appreciation of the complexity of teaching. He challenged us to describe great teaching, and I realized that talking knowledgeably about what makes teaching effective isn’t something that even experienced experts in education can all do. Great teaching does not occur by accident. It is developed through an intentional process that ideally includes study, practice, feedback, reflection, and more practice. It is a continuous improvement process that defines the core work of our most successful teachers. Reflecting on these conversations with Dassler leads me to