Roy joined the Board of Trustees in October 2025, having joined King's College Hospital Trust in March 2024 on secondment from Norfolk and Norwich University Hospitals NHS Foundation Trust, where he was Chief Financial Officer. He was made substantive in the role at King’s in November 2024.

Before joining the team at Norfolk and Norwich in 2020, Roy held a number of Board positions within the NHS, including as Chief Financial Officer at Royal Papworth Hospital NHS Foundation Trust. Roy is a Chartered Management Accountant, and is also a Trustee at the Royal College of Obstetricians and Gynaecologists. He has also worked as an Executive Reviewer for the Care Quality Commission.