William Siff is a licensed acupuncturist, clinical herbalist, ethnobotanist, and health educator who practices Ayurvedic, Western, and Traditional Chinese Medicine traditions. 


An innovator at the forefront of the plant-based medicine movement, William has spent over two decades working with thousands of individuals and groups to successfully incorporate plants into their lifestyles as the foundation of optimal health. 


After establishing the hugely popular Goldthread retail apothecary and medicinal herb farm, William founded Goldthread Tonics in 2015. A one-of-a-kind line of plant-based tonics, sourced sustainably from the healthiest environments around the world to support the cultures and communities that produce them.


In 2021 Artisan Books is releasing William’s book, The Plantventure Protocol, a detailed blueprint for building a sustainable plant-centric lifestyle that creates optimal health for both individuals and the planet.

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© 2020 by William Siff.