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Our Experts

Rooted in knowledge, inspired by nature, and driven by purpose.

Our Experts

Behind every Traditional Medicinals product is a deep well of knowledge, care, and expertise. Our herbalists, quality and science experts, sourcing and supply chain leaders, and purpose and impact stewards bring decades of experience to every stage of our work. From understanding the plants we rely on and building lasting relationships with sourcing communities to ensuring exceptional quality and advancing our social and environmental impact, their collective knowledge helps us make choices with intention. For more than 50 years, this dedication to plants, people, and purpose has shaped who we are and the wellness products we create.

Herbal Experts

Guido Masé, RH(AHG)

Principal Scientist & Head Formulator
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Zoe Kissam

Director of Research & Development
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Marisa Williams, ND, RH (AHG)

Research & Development Staff Scientist, Garden Steward
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Erin McKinsey, MSc

Senior Scientist & Herbalist, Quality Control
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Jules Benefico

Content Marketing Manager & Clinical Herbalist
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Aaron Jenks

Research & Development Scientist
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Korey Steffan

Herbalist & Quality Control Analyst
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Quality & Product Integrity Experts

Melissa Doust

Staff Scientist, Quality Control
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John Stephens

Senior Scientist, Quality Control
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Tina Yang

Senior Technologist
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Purpose & Impact Experts

Jamie Horst

Chief Purpose Officer, Traditional Medicinals & Executive Director, Traditional Medicinals Foundation
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Sarah Tanner

Director, Impact & Engagement
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Procurement & Supply Chain Experts

Marin Anastasov

Director of Sourcing Botanicals
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Ramesh Uniyal

Regional Senior Manager, Supply Relationship - Asia & Oceania
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