Ashton has nearly 30 years of NHS experience with over a decade in executive leadership roles.

He said: ‘I am honoured to be appointed as the first group chief executive for South Central Ambulance Service and South East Coast Ambulance Service. Both organisations play a vital role in their communities, and I have been hugely impressed by the professionalism, skill and dedication of staff across both trusts.'

Michael Whitehouse, chair of SECAmb, said: ‘Simon brings a strong combination of clinical credibility, operational experience and values‑driven leadership. Throughout the appointment process, he demonstrated a clear understanding of the pressures facing ambulance services, alongside a strong commitment to collaboration, compassion and improvement. We are confident that Simon will provide the visible, inclusive leadership our people and communities need as we take forward our Group model.'

Professor Sir Keith Willett, chair of SCAS, said: ‘This is a significant appointment for both organisations. Simon's track record of leading complex NHS services, improving performance and working effectively with partners stood out. He brings the right balance of strategic focus and attention to people, and we are delighted to welcome him as group chief executive at such a pivotal time for SCAS and SECAmb.'