Who We Are

TraceTrust, A True Dose™ is a consensus-based set of elevated standards crafted with the insight from dozens of industry experts, spearheaded by Merril Gilbert and Rhiannon Woo.  In a world of shifting and quickly developing technologies, the TraceTrust, A True Dose™ remains current and collaborative through ongoing governmental policy shifts. Because of these imperative relationships with engaged stakeholder groups, Trace Trust, A True Dose™ is a meaningful and achievable way for producers, brands and retailers to show their commitment to providing consumers a transparent choice in the marketplace.





TraceTrust is committed to elevating the industry standard of dose accuracy to support cannabis edible manufactures dedicated to product transparency and safety, furthering consumer confidence in cannabis products. 

We believe:

  • You deserve to know exactly what you’re putting in your body, and that information should be validated, easily traceable and reliable when purchasing products with the A True Dose™ seal.
  • Preserving and building the TraceTrust dose validation supply chain is a critical step to ensure safe, trusted Cannabis products for future generations.
  • That we need to cultivate manufacturing methods which protect public health and provide consistent results.
  • Informed decisions are the best decisions. Applied knowledge is power and we are setting the baseline for what’s expected for an elevated, informed consumer.

TraceTrust, A True Dose™ is directed by Merril Gilbert and Rhiannon Woo, and work with a collaborative network of technical and expert advisors from a broad and diverse range of backgrounds and sectors.





Since 2007, Rhiannon Wallstedt Woo has been a sought-out leader in Food Safety development and protocol.  An expert in Good Agricultural Practices, Good Harvesting Practices, Good Manufacturing Practices, HACCP, and the Food Safety Modernization Act, Rhiannon strategies with large marketing organizations, produce shippers, retailers and auditing companies in order to continually develop audit standards, as well as training and calibration programs. Her distinctive background working in both indoor and outdoor agricultural production, as well as in food manufacturing makes her an ideal partner for those companies striving to produce the highest quality, most reliable products.



For over 25 years, Merril Gilbert has developed and led companies to success by cultivating cutting-edge business practices for food producers such as Niman Ranch Inc. while also serving as a lead consultant with organizations such as the San Francisco Small Business Development Center. Her accomplished track record, extensive network of professional contacts, as well as a highly informed understanding of up-to-the-minute safety standards for product compliance - particularly in California - has given her the unique insight to lead TraceTrust’s mission towards dose consistency and business growth for those companies dedicated to safe and reliable products.