A defining feature of the Collective ImpactCollective Impact is the commitment of a group of actors from different sectors to a common agenda for solving a specific social problem, using a structured form of collaboration. Successful collective impact initiatives typically have five conditions that together produce true a... approach is the role of a backbone organisation – a separate organisation dedicated to coordinating the various dimensions and collaborators involved in the initiative.  Supporting backbone infrastructure is essential to ensuring the collective impact effort maintains momentum and facilitates impact.