He joins GOSH with more than two decades of senior leadership experience across a range of high-performing NHS organisations, most recently serving as deputy chief executive of The Royal Marsden NHS Foundation Trust.

Munslow Ong has also held senior executive roles at Chelsea and Westminster Hospital NHS Foundation Trust, The Hillingdon Hospitals NHS Foundation Trust, and other London teaching hospitals.

He said: ‘I am truly honoured to be joining Great Ormond Street Hospital as chief executive. Having worked closely with the organisation, I have seen the extraordinary care and dedication shown to children and young people with complex health needs. I very much look forward to getting started, meeting colleagues and partners, and continuing to deliver outstanding care and research for those who need us most.'

Ellen Schroder, chair of the GOSH board, said: ‘Karl brings strategic vision, a deep knowledge of specialist services and a strong sense of public service.

‘He joins us at a time of great opportunity and some challenge and his depth of experience, inclusive leadership style and unwavering commitment to excellence make him an exceptional choice to lead our organisation into the future.'

Munslow Ong succeeds Matthew Shaw, who has led the organisation since 2018 and leaves to take up the role of group chief executive of St George's and St Helier University Hospitals.