이창준 @pord7457Follow BadgesProblem SolvingCPP Certificationspord7457 has not earned any certificates yet. Work Experiencepord7457 has not updated employment details yet.Educationpord7457 has not updated education details yet.LinksLinkedinhttp://www.linkedin.com/in/changjunlee Skillspord7457 has not updated skills details yet.