A dominant and consistent problem of developing country health markets is their level of fragmentation. The public and the private sectors operate in silos and little is done to organise and develop the widespread unregulated small providers that deliver a large volume of health care to all population segments. Several mechanisms such as social franchising have emerged to tackle this issue, but how to sustain these provider networks remains a challenge. ICSF is at the forefront of this debate and the hub team caught up with Dan to find out what insights he had to share.