Homi Kharas is a senior fellow in the Center for Sustainable Development at The Brookings Institution. He studies politics and trends influencing developing countries, including aid to poor countries, the emergence of the middle class, and global governance and the G20. Koji Makino is a visiting fellow at the JICA-Ogata Sadako Research Institute for Peace and Development and professor at Graduate School of Advanced Integrated Studies in Human Survivability, Kyoto University, Japan. John W. McArthur is a senior fellow and director of the Center for Sustainable Development at the Brookings Institution. He co-founded and co-chairs the 17 Rooms initiative, an innovative approach to catalyzing ideas and action for the Sustainable Development Goals. Jane Nelson is the founding director of the Corporate Responsibility Initiative and a senior research fellow at the Mossavar-Rahmani Center for Business and Government at Harvard Kennedy School and a nonresident senior fellow in the Center for Sustainable Development, Global Economy and Development program, Brookings Institution.