Josiah Cain

Independent Design Consultant


Josiah Cain is a landscape architect and ecological design consultant with over two decades of experience working at the nexus of ecology, infrastructure, and urban design. For the past 12 years, he served as a Principal and Director of Innovation at Sherwood Design Engineers. Prior work experience includes building two companies, and a senior leadership role at Rana Cohabitat. Josiah has also lectured widely, taught studio courses, and was Program Director for UC Berkeley’s Professional Certificate in Sustainable Design.

In addition to a BS in landscape architecture from UC Davis, Josiah holds an advanced degree in Design, Technology, and Environment from the Harvard Graduate School of Design. He also has design certificates in Permaculture, Green Roof Design, Rain Harvesting, and Constructed Wetland Treatment Systems.

A third generation resident of the San Francisco Bay Area, Josiah grew up in the back to the land movement of the 1970s where he developed a strong ethos that drew him to sustainable design, permaculture and regenerative systems.

Inspired by institutions such as Rocky Mtn Institute, Ocean Arks, Esalen, and The Center for Maximum Human Potential, Josiah co-purchased a 172 acre working farm where he lives and works. Green Valley Farm + Mill ( is a mixed use property in Sonoma County which supports 7 households and approximately 12 commercial tenants who share a passion for land based resilience and regeneration, including a vegetable farm, organic dairy, hospitality, and environmental education.