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Mr. Kefu has served as our Chief Architecture Officer since 2002. From 1995 to 2002, Mr. Kefu served as Senior Programmer and Analyst at the information System division of Wal-Mart Stores, Inc. in Bentonville, Arkansas. From 1992 to 1994, he served as a programmer for International Business Machines in Charlotte, North Carolina. Mr. Kefu received a bachelor’s degree in electronics from Xi’an JiaoTong University and a master’s degree in computer science from The University of North Carolina, Charlotte. | 