Dr. Dong-II Lee received a BSEE degree from the University of Don kook in 1979, a master's degree from the University of In ha in 1983 and a Ph.D from the University of Han yang in 1996. Dong-II Lee held appointments in government and with KEPCO before joining the Korea Electric Power Research Institute of KEPCO in 1985, where he is now group manager of the Transmission Technology Group. His long-term research experience has centered on EHV transmission, environmental and health research issues linked to transmission lines and HVDC transmission. Dong-II Lee is a member of the IEEE/PES, a life member of the KIEE and the Korean delegate on the CIGRE B2 Study (Overhead Transmission) Group. dilee@kepri.re.kr