I am a Professor in the Information School and, by courtesy, in the Paul G. Allen School of Computer Science & Engineering at the University of Washington. I am the past chair of the Master of Human-Computer Interaction & Design program and I direct the Mobile & Accessible Design Lab. My field is human-computer interaction (HCI). My research seeks to scientifically understand people's interactions with computers and information, and improve those interactions through design and engineering, especially for people with disabilities.