UK Green Party Leader Natalie Bennett will step down this summer Susan Clark | 16th May 2016 She's the leader who's taken the UK Green Party into the mainstream but Natalie Bennett has announced she will not stand for a third term and will be stepping down from the 'top job' this summer New Green Party leader (England & Wales) reveals her strategy Bibi van der Zee | 12th September 2012 The leadership election was, basically, a giant question to the membership. Where next? The ballot papers went out. The members voted. And Natalie Bennett, says Bibi van der Zee, appears to be the answer.