Mr. Ienup Sung has been working for Sun Microsystems, Inc. since 1992. In those years, he has been actively involved and leading in many projects like Solaris X11R5/R6 XIM development projects, SunOS 5.6 Codeset Independence (CSI) project, Solaris Unicode locale creation and development projects, and other Solaris internationalization and localization projects since Solaris 2.1. He also worked on X/Open CAE Specification: Layout Services specification work and its prototype project at CDE/Motif 1.0 for the support of bidi- and context-sensitive languages. During the first eight months of 1997, he also briefly worked for Server Globalization Technology group of Oracle Corp. on Oracle8 RDBMS NLS issues.

Prior to Sun, he worked at TriGem Computer, Inc. and Human Computers, Inc. at Korea a few years as a technical lead to develop Computerized Typesetting System and also to port an existing Hangul desktop publishing system from MSFT-Windows environment to Unix/X/Motif environment. During that time he designed and developed Win32 and Graphics Device Interface (GDI) emulation libraries and various device drivers including PostScript printer drivers by using X/Motif/PostScript with C/C++ languages.

He received his M.S. in Computer Science from Korea Advanced Institute of Science and Technology (KAIST) and B.S. in Computer Science from Hankuk University of Foreign Studies (HUFS), Korea. His major was parallel computation in object-oriented language system virtual machine on distributed operating system.