Johnson is a world leader in disease ecology whose pioneering research has fundamentally transformed how we understand the impact of diseases on ecosystems. His work has bridged critical gaps between parasitology, community ecology and environmental policy, addressing urgent global challenges such as species extinction, climate change and emerging diseases. As a founding figure in the field of disease ecology, his innovative approaches have reshaped how scientists and policymakers tackle ecological and public health crises, making his contributions critical to biodiversity conservation and ecosystem management.
