Professor Emeritus Han-Yong Jeon is a geosynthetics/technical organic materials researcher at Inha University, South Korea. He has been the director of the Geosynthetics Institute (GSI), USA, since 1998. Previously, he was a council member for the International Geosynthetics Society and president of the Korean Geosynthetics Society as well as the Korean Fiber Society. He has published more than 1,000 proceedings in domestic and international conferences and 226 papers in scientific journals. He has also written twenty-five textbook chapters.