 The Working Together vanguard established in 2016 includes Barnsley Hospital NHS Foundation Trust, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield Children's NHS Foundation Trust, Rotherham NHS Foundation Trust, Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust, Mid Yorkshire Hospitals NHS Trust and also Chesterfield Royal Hospital NHS Foundation Trust.It has established a federation board which will make decisions about services ceded under delegated authority.It is chaired by Sir Andrew Cash.