Course Faculty

Mac Mead

He/Him

Mac mentors Threefold Community Farm staff and interns. Mac began farming in 1975, when he had the “privilege and good fortune” to learn biodynamic methods directly from former co-workers of biodynamic pioneer Ehrenfried Pfeiffer at the Fellowship Community. In 2006, Mac became the Program Director of the Pfeiffer Center. The core instructor of our One-Year Part-Time Training, Mac regularly speaks at conferences of the Biodynamic Association (BDA), the Northeast Organic Farming Association, and the Pennsylvania Association for Sustainable Agriculture. In 2016, he was an invited speaker at “The Spirit of Sustainable Agriculture,” a conference of the Harvard Divinity School.

Megan Durney

She / Her

As Farm Manager, Megan coordinates the daily work on our farm, and is an instructor in our One-Year Part-Time Training. She takes a leading role in planning and carrying out our annual Plant Sale and each season’s vegetable production. She directs our seed saving, herb growing, and herbal product production, manages our CSA, Farm Stand, and sales to other outlets. Megan is a board member of the Nature Institute and Biodynamic Demeter Alliance (BDA). Megan joined the Pfeiffer Center as an intern in 2006, and became a staff member in 2010. In 2014-2015, she studied seed saving under Harald Hoven at Raphael Garden in Fair Oaks, CA.

Kim Vaughan

She / Her

As Herdsperson and Dairy Manager, Kim heads up the only dairy herd in Rockland County. In addition to supporting all aspects of farm operations and administration, she is an active member of the Fellowship Community’s Administrative Circle and Community Council. Kim first met biodynamics at a year-long course with Harald Hoven at Raphael Garden in Fair Oaks, CA. She soon joined their CSA and became a star volunteer, serving on the steering committee, organizing fundraisers, and milking the cows on weekends. In 2016, Kim stepped away from Waldorf kindergarten teaching to become a full-time apprentice at Raphael Garden, followed by a summer at Fulcrum Farm in Grass Valley, CA, where she helped tend a small herd of Scottish Highland cows.

Bill Day

He / Him

Bill has been keeping bees following biodynamic and organic principles since 2005, having first encountered bees and beekeeping as a Pfeiffer Center intern in 2002. Besides caring for our apiary, Bill also conducts workshops and trains the farm interns in the basics of beekeeping. On a consulting basis, Bill revitalized the honeybee operation at Thanksgiving Farm of the Center for Discovery in Sullivan County, NY, training up a new beekeeper in the process. Bill has also been a presenter at the PASA and NOFA-NY winter conferences.

Hugh Williams

He / Him

Hugh Williams is the owner of Threshold Farm in Philmont, NY. He has been growing fruit trees and orchards using biodynamic methods on a commercial scale for more than forty five years.

Craig Holdrege

He / Him

Craig Holdrege is a biologist, an educator, and Director of The Nature Institute in Ghent, NY, a research and education organization for a unique qualitative approach to science. Craig is the author of many books and articles on genetic engineering, genetics, and a holistic, Goethean approach to science.

Sherry Wildfeuer

She / Her

Sherry Wildfeuer is the editor of the Stella Natura Biodynamic Planting Calendar, a co-worker at Camphill Village Kimberton Hills, PA, and a long-time active member of the Anthroposophical Society and the Agriculture Section of the School of Spiritual Science.

Jennifer Greene

She / Her

Jennifer Greene is Executive Director of the Water Research Institute of Blue Hill, ME. Since the 1980s, she has been a pioneer of flow forms in the United States, and continues the work of Theodor Schwenk in documenting water quality through the “drop picture” method.

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