David leads global policy engagement at One Acre Fund, a nonprofit social enterprise that supplies smallholder farmers with the tools and financing they need to grow their way out of hunger and poverty.

David Humphreys is the global head of health policy at Economist Impact. He leads a multidisciplinary team that conducts high quality clinical and policy analyses to inform micro-level health decision making and produce macro-level perspectives. Humphreys specializes in corporate strategy, emerging markets, evidence-based solutions, forecasting and policy analysis, health care, investment, labor, market entry, Mercosur, public policy, regulatory impact, and technology.

David Humphries is vice president for communications and public affairs at Global Communities, where he oversees branding, media relations, communications, marketing, policy and Congressional relations. In 2012, David developed and led the rebranding strategy from CHF International to Global Communities. David has experience leading media and communications strategies in countries across Europe, Latin America, Africa, the Middle East and Asia in the nonprofit, government and private sector.

David Hunter is a professor of law at American University's Washington College of Law, where he researches and teaches international environmental and human rights law. David was formerly Executive Director of the Center for International Environmental Law, an environmental consultant to the Czech and Slovak environmental ministries, Executive Director of WaterWatch of Oregon, and an associate at the law firm of Skadden, Arps, Slate, Meagher & Flom. For more than twenty-five years he has advocated for effective environmental and social standards and associated accountability mechanisms at international financial institutions.

David Kaye teaches law at the University of California, Irvine, and is the current Fulbright distinguished chair in public international law at the Raoul Wallenberg Institute for Human Rights at Lund University, Sweden. From 2014 to 2020 he served as United Nations special rapporteur on the right to freedom of opinion and expression.

David is a writer and photographer based in Addis Ababa. He enjoys writing about the changes sweeping through his adopted country, Ethiopia. Before starting his freelance career, David worked as a copywriter in some of Ethiopia's largest advertising and PR agencies. He has contributed to newspapers and magazines in India and Ethiopia since 2001.

David Kuijper has been the CEO of the Association of European Development Finance Institutions, or EDFI, since September 2023. Previously, he served as the manager of public investment and blended finance at FMO, the Dutch development bank. Prior to that, he worked at the World Bank Group as an adviser on trust fund reform and financing for development. He joined the Netherlands Foreign Service in 1998, where he held various positions. He is an alumnus of the Free University Amsterdam, the Netherlands, and University College Dublin, Ireland.

David Lepeska has served as U.N. correspondent for the newswire UPI and reported for several major newspapers, including the New York Daily News and Newsday. He was chief correspondent for the Kashmir Observer in Srinagar, India, before starting his fellowship with Devex in Washignton, D.C., in October 2007. He assumed his current post as Asia correspondent for Devex at the beginning of 2008. He holds a bachelor's in journalism and international studies from Brooklyn College and regularly contributes to the Economist, among other publications.

David has served as U.N. correspondent for the newswire UPI and reported for several major newspapers, including the New York Daily News and Newsday. He was chief correspondent for the Kashmir Observer in Srinagar, India, and regularly contributes to the Economist, among other publications. Since 2007, David has reported for Devex News from Washington, New York, as well as South Asia.

David Loew is executive vice president of Sanofi and the head of Sanofi Pasteur, the world's largest producer of inactivated polio vaccine. David holds an MBA from the University of St Gallen in Switzerland. He worked at Roche from 1992 to 2013, where his roles included being the Region Head of Eastern Europe, Middle East and Africa for the Pharma Division.