Staff

Meet the AHPA Staff

Our team provide resources to support AHPA's mission to promote the responsible and sustainable commerce of herbal products to ensure that consumers have informed access to a wide variety of safe herbal goods.
 

Graham Rigby
Graham Rigby
President & CEO

 

Amber Bennett
Amber Bennett
VP of Marketing & Engagement

 

Jane Wilson
Jane Wilson
Director of Program Development

 

Holly Johnson
Holly E. Johnson, Ph.D.
Chief Science Officer

 

Robert Marriott
Robert Marriott, J.D.
Director of Regulatory Affairs

 

Merle Zimmermann
Merle Zimmermann, Ph.D.
Chief Information Analyst

 

Melissa Do
Melissa Do
Director of Communications

 

Alexis Durham
Alexis Durham
Director of Education

 

Daniela Gonzalez
Daniela Gonzalez
Office Administrator

 

Holly Chittum
Holly Chittum
Project Scientist
 

Rachel Haas
Rachel Haas
Member Services Manager
 

 


 Michael McGuffin
In Memoriam: Michael McGuffin (1951-2025)
AHPA President (1999-2025)