Thanks to Dil Green, Matthew Slater and Tom Woodroof for information.

Dil Green was an architect and builder for 30 years, working on projects from an extension to London’s Science Museum to an award-wining eco-surgery. He now works away at systemic leverage points around Governance, Wisdom: Pattern Language, and Economy: Mutual Credit Services. He lives in Brixton, and blogs at digital-anthropology.

Matthew Slater develops software for complementary currencies. He co-founded Community Forge, which free hosts software for collaborative credit schemes; he co-authored the Money & Society MOOC, a free masters level multidisciplinary online course. He co-drafted the Credit Commons white paper.

Tom Woodroof is in the core team at Mutual Credit Services and Local Loop Merseyside, and convenes the Circular Trade Analytics forum. He has a PhD in applied nuclear physics from the University of Liverpool.