Craig is an internationally recognized One Health and EcoHealth practitioner. He develops ideas, capacities, and evidence to concurrently promote the health of people, animals and their shared environments. He uses population health concepts on issues ranging from conservation, to global health, emerging threat preparedness and climate change. Craig works internationally with all levels of government, the non-profit sector, community groups, universities and industry to adapt health promotion and harm reduction concepts to health disciplines outside of the usual public health realms. His aim is to help develop sensible, practical, and evidence-based actions to promote inter-species and inter-generational health equity.