Keith Butler has joined the Department of Human Centered Design & Engineering (HCDE) as an affiliate faculty member for the 2009–2010 academic year. Keith Butler earned his PhD at Tufts University in cognitive psychology and quantitative research methods. He has been a lecturer at Emmanuel College, a member of technical staff at Bell Labs, a technical fellow at Boeing, and recently a director at Microsoft. He is one of the originators of usability engineering, and a former chair of the SIGCHI conference. His current research interests focus on effective information systems for health care, and synchronizing the representations used by designers and programmers.