Sophie Walker (born 27 May 1971) is a British political activist who was the founding leader of the Women's Equality Party (WE) in the United Kingdom.She led the party from 2015 until 2019, first appointed unanimously by the steering committee and then winning the Party's first leadership election in 2018. She announced her resignation in January 2019, saying she was "frustrated by the limits of my own work to ensure that women of colour, working class women and disabled women see themselves reflected in this party and know they can lead this movement" and adding "sometimes in order to lead, you have to get out of the way." Walker was the WE party candidate in the 2016 London mayoral election and in the 2017 General Election stood for WE against Conservative MP Philip Davies in Shipley. She was appointed Chief Executive of the Young Women's Trust in June 2019.