1) The Chair of Session for the Topic of "Maglev and Linear Motor Drive Technology" and a Reviewer for the Papers of the International Symposium on Speed-up, Safety and Service Technology for Railway and Maglev Systems (STECH'12), Sep 17-19, 2012, COEX, Seoul, Korea. 

2) An Author for the 21st International Conference on Magnetically Levitated Systems and Linear Drives (MAGLEV 2011), October 10-13, 2011, Daejeon Convention Center, Daejoen, Korea.