John Sisay is the chief executive of Sierra Rutile Ltd, an AIM-listed company managing one of the largest rutile deposits in the world. In 2016, John lead SRL to be the first Sierra Leone business members of the World Economic Forum and the United Nations Global Compact respectively, pledging to implement universal sustainability principles. He is deeply committed to ensuring Sierra Leone is on a progressive development trajectory via the implementation of the Sustainable Development Goals and the Agenda 2030.

John Skibiak is the director of the Reproductive Health Supplies Coalition, the largest network of reproductive health organizations in the world. The coalition convenes and catalyzes members to ensure that all people are able to access and use affordable and quality supplies, including a broad choice of contraceptive methods.

John Ulimwengu is a senior research fellow at the International Food Policy Research Institute, based in Washington, D.C., and was an advisor on the Bukanga Lonzo agro-industrial project.

John Young is head of the research and policy in development program at the Overseas Development Institute. He leads work on monitoring and evaluating complex projects, particularly in the field of policy influence and advocacy, exploring transdisciplinary approaches to research and understanding and promoting evaluation use and research uptake.

John Sauer is a senior technical advisor for water, sanitation, and hygiene programs at PSI. He provides support to various efforts such as executing market systems development programs. John’s focus is on breaking down barriers to growth and the achievement of lasting, higher coverage, and increased use of WASH products and services.

As a former Devex staff writer, John Alliage Morales covered the Americas, focusing on the world's top donor hub, Washington, and its aid community. Prior to joining Devex, John worked for a variety of news outlets including GMA, the Philippine TV network, where he conducted interviews, analyzed data, and produced in-depth stories on development and other topics.

John-Arne Røttingen joined Wellcome as chief executive officer in January 2024 and leads the charitable foundation’s mission to support science to solve the urgent health challenges facing everyone. John-Arne trained in medicine and science and has held many international roles in health and research.

John “Bob” Ranck joined Orbis International in 2016. He came to Orbis with more than 30 years of experience as strategist, leader, and manager in a career that spans across military, manufacturing, and small business sectors.

John Bonoh Sisay is a Sierra Leonean businessman and public figure committed to improving the economic and social outcomes of Sierra Leone. He is the former chief executive officer of Sierra Rutile Limited, an AIM-listed company based in Sierra Leone, operating one of the largest natural rutile deposits in the world.

John Chukwuemeka Uruakpa is the director and head of the nutrition special program at Nigeria’s Federal Ministry of Health. A seasoned public servant whose professional experience spans over 28 years in nutrition programming and policy, he is a member of the Nutrition Society of Nigeria, or NSN, the National Food Fortification Alliance, and the country working group of the West Africa Bouillon Initiative, and president of the Nigeria country working group on rice fortification. He holds a master’s in food science and technology from the University of Ibadan.