Michelle Czolba is co-owner of Pittsburgh Permaculture and co-founded the Hazelwood Food Forest. She has extensive experience in the design and maintenance of perennial polyculture. Her formal training includes biology, chemistry, and herbalism, and she has earned a B.Sc. in Environmental Science and a M.Sc. in Sustainable Systems. After obtaining her Herbal Certification Michelle founded Wildly Natural Skin Care, and developed her own full line of handmade, wildcrafted and organic skin care products. Darrell Frey is the owner and manager of Three Sisters Farm, a 5-acre permaculture farm, solar greenhouse and market garden located in Western Pennsylvania. He facilitates workshops and delivers keynote presentations on permaculture design, perennial polyculture management and ecological land use planning, and has been a sustainable community development consultant and permaculture teacher for 30 years. Darrell writes extensively about the principles involved in regenerative, organic agriculture and is the author of Bioshelter Market Garden: A Permaculture Farm.