Won Y. Yang is a Professor of Electrical Engineering at Chung-Ang University in Seoul, South Korea, where he has taught in the circuit field for over 20 years. He was the lead co-author of Applied Numerical Methods using MATLAB and has written numerous Korean language books in the electronic engineering field, including books on MATLAB for digital communications and control systems. He holds an M.S. in Electrical Engineering from Seoul National University as well as an M.S in Applied Math and a Ph.D in Electrical Engineering, both from the University of Southern California.

Seung C. Lee is a Professor in Electrical Engineering at Chung-Ang University in Seoul, South Korea. Between 1985 and 1994 he was an Associate Professor in Computer Science and Electrical Engineering at the University of Texas Institute. He has held senior positions at Hyundai Engineering and Hwashin-Sony.