Yan Liu@yanliu8Follow BadgesProblem Solving Certificationsyanliu8 has not earned any certificates yet. Work Experienceyanliu8 has not updated employment details yet.Educationyanliu8 has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/yan-liu-b50476105 Skillsyanliu8 has not updated skills details yet.