Current Employees Interim CFO - ???? Xicheng District, Beijing, ChinaOil & Energy Yuehui Liu PetroChina - Cementing operation manager IraqOil & Energy Li Li Petrophysicist at Shell Houston, Texas, United StatesOil & Energy Haixiang Shi Machine Learning / Big Data SingaporeOil & Energy ?? ? ???? - ??????? Dalian, Liaoning, ChinaOil & Energy More PetroChina employees Former Employees Yuhan Li Middleware ad at U.S. Census Bureau Ellicott City, Maryland, United StatesFinancial Services Michelle(Xiao) Du Legal Assistant at Ant Financial San Jose, California, United StatesLegal Services Sen Yang Software Engineer II at Amazon Web Services (AWS) Arlington, Virginia, United StatesInformation Technology and Services Niu Bing Cloud Full Stack Engineer at Schlumberger Chaoyang Qu, Beijing, ChinaOil & Energy Alex Lei Software Engineer at ATPCO Vienna, Virginia, United StatesInformation Technology and Services