Derek Wall is International Coordinator of the Green Party of England and Wales.  He is a political economist, whose last book was ‘The Sustainable Economics of Elinor Ostrom’ Routledge 2014.  He is married to the community musician Emily Blyth and is a founder of Green Left, the anti-capitalist network in the Green Party.  He is also a columnist with the Morning Star and is completing his new book for Pluto ‘The Economics of anti-capitalism’ which will be published in 2015.  You can find him on twitter at @anothergreen.