Molly Elgin-Cossart is a Principal at Omidyar Network, a philanthropic investment firm. Her work focuses on advancing sustainable development and human dignity through the use of data, technology, and partnerships. She frequently advises governments and multilateral organizations, and has helped launched global initiatives such as the Leave No One Behind charter. She was the Chief of Staff to the UN Secretary-General’s High-level Panel on the Post-2015 Development Agenda, co-chaired by President Yudhyono, President Sirleaf, and Prime Minister Cameron, and a Senior Fellow at the Center for American Progress, and Chief of Staff at New York University’s Center on International Cooperation, where she drove the Center’s strategy and launched the Center’s highly successful global development program.