[2] She worked for Donald Dewar after graduating, completing a Master's degree at University College London in political administration in the evenings.

[4] Here, Mitchell launched Let's Talk Money to get the charity to tackle several political issues, aiming to improve old people's incomes.

[15][16] She is responsible for the leadership and direction of the world's leading cancer charity dedicated to saving lives through research.

She has helped put the charity on a strong footing to achieve its vision of bringing about a world where everybody can lead longer, better lives, free from the fear of cancer.

[19] Mitchell was appointed Order of the British Empire (OBE) in the 2016 New Year Honours for services to Older People and the Voluntary Sector.