Jim Leftwich is the founder and principal of Orbit Interaction, an interaction design consultancy in Palo Alto, California. Orbit Interaction specializes in the design and development of visual and physical user interfaces for software, medical and industrial equipment, and consumer electronics. His paper, InfoSpace: A Conceptual Method for Interacting with Information in a Three-Dimensional Virtual Environment was presented at the Third International Conference on Cyberspace, held at the University of Texas - Austin, in May 1993. His work was also recently featured in an article on the architecture of cyberspace in Progressive Architecture (October 1994).