Derek Wall, a former Principal Speaker of the British Green Party, was a founder of the Ecosocialist International and Green Left. He is the author of numerous books, including Green History: A Reader in Environmental Literature, Philosophy, and Politics, and Babylon and Beyond: The Economics of Anti-Capitalist, Anti-Globalist and Radical Green Movements.
Helen Ware has over twenty years experience working for the Australian Government aid organization AUSAID. Rebecca Spence and Bert Jenkins teach in the Peace Studies programme at the University of New England. Jonathan Makuwira, now lecturing at the University of New England, is a former research officer with the NGO co-ordinating body in Malawi.