José Graziano da Silva is the director-general of the Food and Agriculture Organization. He has worked on issues of food security, rural development and agriculture for over 30 years. Prior to his election as FAO's director-general, he headed the organization's regional office for Latin America and the Caribbean. He led the team that designed Brazil's "Zero Hunger" program, which helped lift 28 million people of out extreme poverty. In 2003, he was named special minister of Food Security and Fight against Hunger by then Brazilian President Luiz Inácio Lula da Silva.

José Luis Castro is the executive director of The International Union Against Tuberculosis and Lung Disease. Founded in 1920, The Union draws from scientific evidence to advance health solutions to public health challenges affecting people living in poverty around the world. With a headquarters in Paris and 11 regional and affiliate offices, The Union's staff and consultants work in more than 150 countries.

José Luis Castro is president and CEO at Vital Strategies, where he has led a rapid expansion of its portfolio and worked with governments to tackle the world’s leading killers, primarily in low- and middle-income countries. The organization now reaches into 73 countries and has touched the lives of more than 2 billion people.

Jose Maria Lorenzo Tan is CEO and vice chairman of World Wildlife Fund Philippines. A staunch activist for biodiversity conservation in the country, Tan is also the chairman of the Philippine Tropical Forest Conservation Foundation and a member of the WWF Enabling Team for the Coral Triangle Initiative.

Joseph M. Cahalan is the CEO of Concern Worldwide U.S., the affiliate of Concern Worldwide, a nongovernmental, international, humanitarian organization dedicated to the reduction of suffering and elimination of extreme poverty in the world's poorest countries. He came to Concern after more than 40 years at the Xerox Corp., where he served as vice president of communications and social responsibility and as president of the Xerox Foundation.

Dr. Joseph de Graft-Johnson is a public health physician and has worked as a medical doctor and in international public health for over 30 years in Africa, the Caribbean, and Asia. de Graft-Johnson received his medical degree from School of Medical Sciences, Kumasi, Ghana and his public health degrees, MPH and DrPH, from the University of North Carolina at Chapel Hill. He worked with the Ghana Ministry of Health and Family Health International before joining Save the Children as a health program manager in Malawi in 1997 and has held various positions since. The most recent being the senior director of the maternal and reproductive health team. He has spent over 20 years contributing to the advancement of newborn health programming in low- and middle-income countries.

Joseph Dieleman, Ph.D., is assistant professor at the Institute for Health Metrics and Evaluation at the University of Washington. In this role, he leads the financial resources for health research team, which focuses on domestic and international research tracking development assistance for health, health spending by disease, and government health expenditure. Joe studied at Calvin College in Grand Rapids, Michigan, earning his undergraduate degree in economics, and at the University of Washington, where he received his Ph.D. in Economics.

Joseph Kraus is senior policy manager for transparency and accountability at the ONE Campaign, an international organization working to end extreme poverty in Africa. Previously, he was the program and development director at EG Justice. He holds a doctorate in political science with a focus on Africa.

Joseph Lemoine is the deputy director of the Atlantic Council’s Freedom and Prosperity Center. Previously, he was a private sector specialist at the World Bank. He advised governments on policy reforms that help boost entrepreneurship and shared prosperity, primarily in Francophone Africa and the Middle East.

Joseph Marks is a Devex correspondent based in Washington, D.C., where he covers stories related to international development, economics, diplomacy and foreign policy. He has written about the Israeli-Palestinian conflict, homeland security, technology, global Internet freedom, trade and U.S. law.