Speaking directly to policy-makers, funders, and users of evidence-based information, this article makes the case for ongoing, multi-actor activity to improve the use of evidence in public policy and service delivery. This involves ensuring definitions of good evidence are fit for purpose; developing inclusive processes that enable evidence to be integrated with other forms of knowledge and ways of knowing; doing more than improving the supply of evidence by building relationships and systems that support evidence use; ensuring sustainable funding models for evidence-use initiatives that have been shown to be effective.