The document discusses developing a teaching portfolio. It describes a teaching portfolio as a collection of materials that document teaching performance and represent a teacher's approach and efforts to promote student learning. Developing a teaching portfolio has benefits both as a product to communicate teaching to potential employers and students, and as a process for teachers to reflect on their development, strengths, and areas for improvement. The document provides guidance on the types of materials and artifacts to include in a teaching portfolio such as a teaching philosophy statement, examples of course materials, and feedback from students and peers.