In collaboration with the HKU Academy for the Talented, the International Symposium on STEM education was held from July 28-30, 2017. Over 90 talented high school students from around the world engaged in talks, activities, and presented innovative STEM-related solutions to UN Sustainable Development Goals (https://sustainabledevelopment.un.org/sdgs). TELI team members acted as Multimedia Advisors and gave advice to each group on their presentation format, ideas and technical issues. Professor Ricky Kwok gave a keynote speech and held a workshop to teach students about computational thinking.