Dr. Muir is an Associate Professor of Communication at George Mason University. Star received his Ph.D. in Rhetoric and Communication from the University of Pittsburgh. His research focuses on computer and environmental communication, and he has published in ETC.: A Review of General Semantics, Philosophy and Rhetoric, and the Speech Communication Teacher. He is co-editor of Earthtalk: Communication Empowerment for Environmental Action. His work on distance delivery of video modules won several Communicator and Telly awards for educational programming.