Professor Harries was chief executive of the UK Health Security Agency (UKHSA) from May 2021 until June 2025 and played a pivotal role in the Government's response to the Covid pandemic as deputy chief medical officer for England.

Chair of The Biotech Growth Trust PLC, Roger Yates, commented: ‘We are delighted to welcome Professor Harries to the company. Her unparalleled experience in public health leadership and global health strategy will bring an invaluable perspective to the board.'

Professor Harries has also been appointed to the company's audit committee, management engagement committee and nominations committee with effect from 16 September 2025.

Her appointment will be proposed to shareholders for election at the Annual General Meeting of the company in July 2026.