PINA Board Treasurer
Darrell Frey is a Permaculture Design Consultant and Educator based in Western Pennsylvania. Darrell is among the first wave of permaculture practioners, having begun studying permaculture design in 1980. After completing a PDC with Dan Hemenway in 1986, Darrell began to develop Three Sisters Farm and Nursery and was instrumental in developing the permaculture plan for The Robert A. Macoskey Center at Slippery Rock University. Both of the projects are among the oldest continuous permaculture projects in North America. Darrell is the author of Bioshelter Market Garden: A Permaculture Farm, New Society Publishing 2011 which serves as both a case study of permaculture applied to a five acre market garden, and as a guide for designing, building and managing bioshelters and market garden farms. He is co-author of The Food Forest Handbook, New Society Publishing 2017. Darrell currently offers permaculture education and consultation through Three Sisters Permaculture. www.threesisterspermaculture.com.