Michelle Elizabeth Mitchell OBE^[1] is the Chief Executive of Cancer Research UK. She has worked extensively in the charity sector, having led Age UK, the Multiple Sclerosis Society of Great Britain and the Fawcett Society. She is a non-executive director of NHS England.

Mitchell grew up in Ellesmere Port.^[2] She was the first in her family to attend university, and studied economics at the University of Manchester, earning a bachelor's degree in 1994.^[2] She worked for Donald Dewar after graduating, completing a Master's degree at University College London in political administration in the evenings.^[2] In 1997 she joined Charter 88, a political campaigning group who worked on the House of Lords Reform Bill 2012.^[2] She earned an International Executive Diploma from INSEAD in 2005 and an Innovations in Governance qualification from the John F. Kennedy School of Government in 2006.^[2][3]

Mitchell was appointed the governmental affairs adviser to the National Society for the Prevention of Cruelty to Children (NSPCC) in 2000.^[2] Mitchell worked at Age Concern as Head of Public Affairs from 2002 and Director of Communications from 2007.^[4] From 2005 to 2008 Mitchell was Chair of Trustees of the Fawcett Society.^[5]

She worked as Charity Director at Age UK from 2010.^[4] At Age UK Mitchell launched Let's Talk Money to get the charity to tackle several political issues, aiming to improve old people's incomes.^[4][6] She spoke about her work on Woman's Hour.^[7] When she left she appointed Hannah Pearce and Angela Kitching to job share as Head of External Relations.^[8]

Mitchell served as Chief Executive of the Multiple Sclerosis Society of Great Britain from 2013 to 2018.^[9][10] She oversaw a 40% increase in access to treatments for MS and launched a £100 million fundraising campaign.^[11] During this time she wrote regularly for the Huffington Post.^[12] She is a non-executive director of NHS England and on board of trustees of Power to Change Trust.^[13] As non-executive chief director she visits NHS facilities and evaluates their progress.^[14] She was appointed the Chief Executive of Cancer Research UK in 2018.^[15][16]