[6] Gustafsson co-founded Darktrace in 2013 and initially held the position of chief financial officer.

[7] She led Darktrace's initial public offering in 2021, and left the company in 2024 prior to the completion of its sale to the private equity firm Thoma Bravo.

[9] She was created a life peer as Baroness Gustafsson, of Chesterton in the City of Cambridge, on 15 November to allow her to sit in the House of Lords.

[3] Gustafsson was appointed Officer of the Order of the British Empire (OBE) in the 2019 Birthday Honours for services to the cyber security industry,[11] She was promoted to Commander of the Order of the British Empire (CBE) in the 2025 New Year Honours.

[13] In 2022, she was awarded an honorary Doctor of Science (Hon DSc) degree by the University of Sheffield, her alma mater.