Doing co-design: What, why, with who and how?

In co-design those impacted by the proposed design are actively involved as partners in the design process. Co-design is being used in government, community and health sectors to extend traditional consultation methods and increase program reach and impact. Co-design approaches are also being used by corporates to engage internal stakeholders and customers, identify new service opportunities and improve existing ones. But what is it, why do it and how?