Derek Norman Wall (born 26 May 1965) is a British politician. He was the joint International Coordinator for the Green Party of England and Wales and stood against Prime Minister Theresa May as the Green candidate for Maidenhead at the 2017 general election. Formerly the party's Principal Speaker, he is known as a prominent eco-socialist, campaigning both for environmentalism and socialism. Alongside his political role, Wall is an academic and a writer, having published on the subject of ecosocialism and the wider Green politics movement. He is a contributor to the Morning Star newspaper and a blogger. Source: Wikipedia (en)