Greg Zahn is schooled and licensed as an architect with an environmental focus and set up his own architecture firm in 1990. He took his PDC with Warren Brush in 2011 in Kenya and his Permaculture Teacher Training at Kinstone Academy in Fountain City Wisconsin with Wayne Wiseman. He has taught permaculture and natural building with Chesapeake Permaculture Institute and sits on the advisory board for the development of an educational urban farm. In 2014 he established Circle Union Farm in Wisconsin with the aim of setting it up as a Sustainable Homestead Farm and Permaculture Demonstration Site. Greg brings not only extensive permaculture and ecological building knowledge and experience to PRI-Kenya but also extensive business know-how.