Theresa May named as new Aldersgate Group chair Green business coalition the Aldersgate Group has named former Prime Minister Theresa May as its new chair, effective from Tuesday (20 July). Image: Raul Mee / EU2017EE. CC-BY-2.0. https://www.flickr.com/photos/eu2017ee/36679610714 May is replacing Joan Walley, former Labour MP for Stoke-on-Trent, who had acted as chair since 2015. Walley has completed a two-term period of office and each chair of the Group is permitted a maximum of two consecutive terms. In a statement released today (19 July), the Aldersgate Group pointed to a number of gr...