History of the Green Party of England and Wales of Deputy Leader. The Green Party fielded more than 300 candidates for the 2010 general election. Caroline Lucas became the first Green candidate to gain a seat in Westminster, after being elected MP for Brighton Pavilion by a margin of 1,252 votes. The following week 600 new members had joined the Green Party bringing total membership to over 11,000. In previous years 600 new members was high for a whole year. On 24 May 2012, the six Green Party councillors elected to Stroud District Council formed a power sharing administration (a "constructive cooperation") with both the Labour Party and the
Green Party of England and Wales West England region. In September 2014, The Green Party held its biennial leadership elections. Incumbent leader Bennett ran uncontested, and retained her status as party leader. The election also saw a change in the elective format for position of deputy leader. The party opted to elect two, gender-balanced deputy leaders, instead of one. Amelia Womack and Shahrar Ali won the two positions, succeeding former deputy leader Duckworth. The party announced in October 2014 that Green candidates would be standing for parliament in at least 75% of constituencies in the 2015 general election. In the 2010 general election, they contested roughly