Jianxia Yang, Liuzhou, Guangxi Province, doctoral student of Aetna School of Management of Shanghai jiaotong University in grade 2004 Fall, who majors in Management Science and Engineering.

• 杨剑侠，男，广西柳州人，上海交通大学安泰经济与管理学院2004级秋博士生，专业为管理科学与工程。