This document provides an overview of protocols for professional conversations. It begins by defining protocols as structured guides for conversations. It then discusses how protocols can help deepen understanding of teaching and learning, as well as improve skills and focus when working with students and colleagues. Several specific protocols are described, including the Microlab Protocol, Tuning Protocol, and Consultancy Protocol. The document outlines features of effective protocols and challenges to using them well. It emphasizes that protocols are tools to support learning, not replace the work itself, and benefit from practice over time.