Johnson D@dou0408yaoFollow BadgesSql CertificationsCertificate: SQL (Basic)VerifiedskillWork Experiencedou0408yao has not updated employment details yet.EducationDuke University, DurhamBusiness Analytics, MSLinksLinkedinhttp://www.linkedin.com/in/yao-johnson-dou Skillsdou0408yao has not updated skills details yet.