This document provides an overview of Merlin's work, including: - Merlin has active country programs in multiple countries focused on health system strengthening and addressing diseases of poverty. - Key programming areas include primary/secondary healthcare, reducing financial barriers to access, and reproductive/child health. - Merlin works with various partners in each country on service delivery, capacity building, policy, and advocacy. - Merlin's approach aligns with the WHO health system strengthening framework of improving service delivery, workforce, information, products, and financing.