<sod >Chris Hopson, chief executive of NHS Services, has written to the Health and Social Care Secretary to call for extra investment on a long-term basis to address the âfragility of the wider NHS.< eod>< sod > Chris Hopson, chief executive of NHS Providers, which acts as as bridge between trusts and the Department of Health,Â has written to the Secretary of State forÂ Health and Social CareÂ to call for extra investment on a long-term basis to address the âfragility of the wider NHSâ.< eod>