Guandao Yang@ygd1995Follow BadgesProblem Solving Certificationsygd1995 has not earned any certificates yet. Work Experienceygd1995 has not updated employment details yet.EducationCornell University, IthacaLinksLinkedinhttps://www.linkedin.com/in/guandao-yang-349b83a6 Skillsygd1995 has not updated skills details yet.