This document provides an introduction to user-centered design. It defines user-centered design as a framework that extensively focuses on end users' needs, wants and limitations at each stage of the design process. It discusses why user-centered design is important, as users now have more choices and companies need to better serve users to win competition. It also describes some key aspects of user-centered design like user research to understand users and usability testing to validate the design with users. The workshop demonstrated user research and usability testing techniques through role-playing exercises.