David came back to Australia to take up the role as CEO of Greenpeace Australia Pacific in 2012 after five years working in a senior campaigns position with Greenpeace in London. He is an honorary fellow of the Faculty of Law at the University of Western Australia; and a Research Affiliate of the Sydney Environment Institute (SEI), an Associate at the Sydney Policy Lab and an Adjunct Professor in the Sydney Democracy Network (SDN), all at Sydney University. 

Greenpeace Australia Pacific Ceo David Ritter