This document summarizes a workshop on teaching portfolios for teaching assistants. It defines what a teaching portfolio is, discusses the different types and components of portfolios, and provides examples. The workshop objectives are to help participants compare portfolio types, identify portfolio resources, recognize common components, and create an action plan. Attendees learn about developing portfolio elements like philosophy statements, teaching activities, evidence of student learning, and reflections. Questions are provided to help participants think about their own portfolios.