1. Society Membership

3. Journal Editorships

• Editor-in-Chief, Journal of Digital Forensics, Korean Digital Forensics Society[2013.11.~ Current]
• Managing Editor : Human-centric Computing and Information Sciences (HCIS), Springe.[2011.06. ~ 2012.12]
• Section A Editor : Journal of Convergence (JoC), FTRA.[2010.12. ~ 2012.12] 
• Editorial Board member : International Journal of Information Technology, Communications and Convergence (IJITCC), Inderscience.[2009.03. ~ Current] 
• Editorial Board member : Journal of Information Processing Systems (JIPS).[2009.03. ~ Current] 
• Editorial Board member : International Journal of Multimedia and Ubiquitous Engineering.[2008.03. ~ 2008.12.] 
• Editorial Board member : International Journal of Smart Home (IJSH).[2008.03. ~ 2008.12.] 
• Editorial Board member : Journal of Security Engineering (JSE).[2008.03. ~ 2008.12.] 
• Guest Editors: Changhoon Lee, Cho-Li Wang, Jinjun Chen, “Special issue on Advanced Issues of an Automated Big Data Analysis for Social Multimedia Network Environment”, Multimedia Tools and Applications, Springer (SCIE), 2013
• Guest Editors: Changhoon Lee, Geyong Min, Weifeng Chen, “Special issue on Advanced Issues on Data Mining and Machine Learning Technologies for Multimedia Information Retrieval and Recommendation”, Multimedia Tools and Applications, Springer (SCIE), 2013
• Guest Editors: Changhoon Lee, Neal N Xiong, Weijia jia, “Special Issue on New Technologies and Research Trends for Wireless, Mobile and Ubiquitous Multimedia”, EURASIP Journal on Wireless Communications and Networking, Springer (SCIE), 2012
• Guest Editors: Changhoon Lee, Hongxue Wang, and Juan Li“A Special Section on Wireless Sensor Networks Technologies and Applications for Smart Spaces”, Sensor Lettters, American Scientific Publishers, 2012
• Guest Editors: Dr. ChangHoon Lee, Dr. Mark Shaneck, Dr. Yunhui Liu, Special Issue on "Advanced Security System and Application for Mobile and Cloud Computing", INFORMATION - International Information Institute (SCIE), 2012
• Guest Editors: Dr. ChangHoon Lee, Dr. Mark Shaneck, Dr. Yunhui Liu, Special Issue on "Advanced Security System and Application for Mobile and Cloud Computing", INFORMATION - International Information Institute (SCIE), 2012
• Guest Editors: Prof. Changhoon Lee, Prof. Leonard Barolli, Prof. Ching-Hsien Hsu, Dr. Donghoon Chang, Special Issue on "State-of-the-art Smart Information Technologies and Applications", Electronic Commerce Research – Springer (SSCI), 2012
• Guest Editors: Prof. ChangHoon Lee, Prof. Shiuh-Jeng WANG, Prof. Liudong Xing, Special Issue on "Advanced P2P Converged Ubiquitous Networks for Security and Privacy Computing ", Peer-to-Peer Networking and Applications (PPNA) - Springer (SCIE), 2012
• Guest Editors: Prof. ChangHoon Lee, Prof. Shiuh-Jeng WANG, Dr. Liudong Xing, Special Issue on "Technologies and Theories in P2P Converged Ubiquitous Networks", Peer-to-Peer Networking and Applications (PPNA) - Springer (SCIE), 2012
• Guest Editors: Prof. Changhoon Lee, Prof. Wenny Rahayu, Prof. Uyen Trang Nguyen, Special Issue on "Advanced Issues on Knowledge Management Technologies for Semantic Multimedia Services in Ubiquitous and Pervasive Environment", Multimedia Tools and Applications (MTAP) - Springer (SCIE), 2012
• Guest Editors: Prof. Changhoon Lee, Prof. Leonard Barolli, Dr. Donghoon Chang, Special Issue on "Convergence Security", INFORMATION - International Information Institute (SCIE), 2012
• Guest Editors: Prof. Qun Jin, Prof. Changhoon Lee, Special Issue on "Human-Centric Computing", Information Science - Elsevier (SCI), 2010
• Guest Editors: Dr. Jong Hyuk Park, Changhoon Lee, Special Issue on "Recent Advances and Future Directions in Multimedia and Mobile Computing", Multimedia Tools and Applications (MTAP) - Springer (SCIE), 2010
• Guest Editors: Prof. Changhoon Lee, Prof. Jiang Xiaohong, Prof. Christian Becker, Prof. Laurence T. Yang, Special Issue on "Recent Advanced in Ubiquitous Infrastructure Technology", Journal of Telecommunication Systems (JTS) - Springer (SCIE), 2010
• Guest Editor : Special Issue on “Modeling and Simulation Techniques for Future Generation Communication Networks”, Simulation Modeling Practice and Theory indexed by SCI-E (Elsevier), 2009.
• Guest Editor : Special Issue on “Intelligent Systems and Services for Ubiquitous Computing”, International Journal of Multimedia and Ubiquitous Engineering (SERSC), 2009.
• Guest Editor : Special Issue on “Digital Forensics and Advanced Security Services for Future Communications and Computing”, Journal of Internet Technology indexed by SCI-E , 2009.
• Guest Editor : Special Issue on “Context-aware Middlewares and Intelligent Agents for Smart Environments”, IEEE Intelligent Systems indexed by SCI , 2009.

• Program Co-Chair : The First International Symposium on Grid and Distributed Computing (GDC-08), Hainan Island, China, on December 13-15, 2008.
• Program Co-Chair : The 2008 International Conference on Security Technology (SecTech 2008), Hainan Island, China, on December 13-15, 2008.
• Program Co-Chair : The Fourth International Symposium on Ubiquitous Applications & Security Services (UASS-09), Las Vegas, Nevada, USA, on January 11-13, 2009.
• Program Co-Chair : The Third International Symposium on Security and Multimodality in Pervasive Environments (SMPE-09), University of Bradford, Bradford, UK on May 26-29, 2009.
• Program Co-Chair : The 3rd International Conference on Information Security and Assurance (ISA-09), Korea University, Seoul, Korea, on June 25-27, 2009.
• Program Co-Chair : The 3rd International Symposium on Service, Security and its Data management technologies in Ubi-comp (SSDU-09), Geneva, Switzerland, May 4-8, 2009 (In Conjunction with GPC-09).
• Program Co-Chair : The 2009 International Workshop on Ubiquitous Computing Security (Uc-Sec 2009), Las vegas, USA, July 13-16, 2009 (In Conjunction with SAM’09 and WORLDCOMP’09).