Ashoka’s Changemakers initiative is launching a global search for innovative strategies that provide high-quality, cost-effective, and scalable health solutions reaching low-income and marginalised populations around the world. These health solutions may focus on healthcare delivery, health financing, health education and disease prevention, pharmaceuticals or other key issues. The Changemakers Innovation Awards series is based on a unique ‘open source’ format by which participants compete for best solutions to pressing social issues while collaborating to advance current initiatives.