Jin Feng is an Associate Professor of interior architecture at Lawrence Technological University. He has been teaching computer-aided-design courses at different levels for interior design students since 1993. Before joining the faculty of Lawrence Technological University in 2006, he taught at Iowa State University, Purdue University, Indiana University, Eastern Michigan University, and Tsinghua University. He is the author of Basic AutoCAD for Interior Designers Using Release 14 and Basic AutoCAD for Interior Designers Using AutoCAD 2002. nbsp; Jiang Lu is an Assistant Professor of interior design at Eastern Michigan University. She has been teaching advanced computer-aided-design courses. Before she joined Eastern Michigan University in 2003, Jiang Lu had 6 years full time and part time teaching experience at Purdue University, Eastern Michigan University, and Tsinghua University. Jiang Lu was trained as an architect and has practiced for 14 years in architectural design and interior design firms. She also works as an architectural illustrator and architectural graphics specialist. Jiang Lu is a Ph.D. candidate at Indiana University.