Xiaojun Ding began his IT career in America at Amdocs, Inc. in 2000. He was employed at their North America Development Center in St. Louis as Senior Software Engineer until June of 2004. He participated in full life cycle development and support on multiple large-scale J2EE applications for AT&T, Sprint PCS, and CenturyTel, led J2EE Weblogic cluster performance tuning of the one hundred million dollars telecom billing system for Sprint, led new look and feel transition for CenturyTel, implemented Wirless Number Portability for Sprint and business hierarchy billing system for AT&T at New Jersey. From July 2004 to March 2005, he worked at Southwestern Bell as software consultant for J2EE Websphere application. Xiaojun joined the ERL in April 2005 to participate in developing the Integrate Healthcare Enterprise (IHE) application using Perl for healthcare vendors to test their products according to IHE profiles.

Xiaojun was an architect in Beijing China for seven years before enrolling at Louisiana State University to earn double Master's degrees in 1997. During his three years study at LSU, he participated in developing Geographic Information System (GIS) at Ascension Parish Government, implemented a web-based application for searching geography information and generating Active CGM maps using GeoMedia Map Server.

As an IT professional, MR. Ding's goal is to become an architect of software engineering. With multiple years of experience in high-performance, mission-critical enterprise application development using Java technologies, his interests focus on building environments for healthcare system vendors to test their system interoperability with partners based on IHE profiles.