The 2017 Global Grand Challenges Summit (GGCS), jointly organized by the U.S. National Academy of Engineering, the U.K. Royal Academy of Engineering, and the Chinese Academy of Engineering, will be held July 18-20, 2017, on the campus of George Washington University in Washington, D.C. The GGCS series aims to spark global collaborations that lead to innovative ways of addressing critically important engineering challenges and opportunities and inspiring the next generation of change makers.