5. Bill and Melinda Gates
As co-founders of the Bill & Melinda Gates Foundation, Bill and Melinda Gates have dedicated their resources to combating global health crises and poverty. Their initiatives have funded vaccines and education projects that have reached millions worldwide. In 2025, the foundation committed $1.6 billion over five years to support Gavi, a global vaccine alliance, aiming to prevent rising child mortality rates. Additionally, in 2024, they pledged nearly $600 million to expand access to cervical cancer prevention, screening, and treatment globally (reuters.com). These efforts underscore their significant impact on global health and development.