The National Hemp Association is primarily an all-volunteer organization with limited staff and volunteers who have become essential in the successful operation of the Association.

Below are the people behind the scenes to help make NHA the best resource around. Thank you!


Erica Stark Executive Director – Erica brings to the NHA years of experience in legislative advocacy, industrial hemp education, and non-profit administration. Erica was instrumental in enacting legislation in Pennsylvania which provided farmers and hemp advocates the opportunity to grow hemp for the first time in 80 years. She is proud to have managed the permits and grow hemp in PA since 2017.  Now that federal legalization is here she is looking forward to serving our members and acting as a key leader as we all work together to build the hemp industry.  Please contact Erica at

Anna Chanthavongseng Assistant Executive Director Anna was a former early childhood teacher and assistant director who trained staff and encouraged teachers to implement kinesthetic and nature-based learning to young children. Her love for sustainability and nature brought her to her first hempcrete workshop in Robesonia, PA in the year 2015. Since learning more about the plant she has been sharing knowledge about the diverse crop through her personal social media pages and with some graphics work. She continues to learn and spread awareness about the plant by attending hemp focused events and promoting businesses and manufacturers in the industry. She is also the co-founder of a new sustainable apparel business, Jasper & Ivy, that focuses on products made with hemp blends. She sees a promising future with hemp in our country and looks forward to working with it.

Les Stark – Social Media Volunteer – Les is a Pennsylvania hemp historian who has spent thousands of hours researching the historic Pennsylvania hemp industry. He has documented the existence of hundreds of hemp mills throughout the state and uncovered an epic tale of the days when nearly every farmer in the state grew hemp.

Since 1997 he has been teaching this information to farmers, farm organizations, historical societies, community groups, the media, legislators and the general public. He is the author of Hempstone Heritage I and intends to publish an additional 600 pages of his research which will tell the full story of great historic Pa. hemp industry. Although he has a deep passion for history, his true passion is in helping to rebuild the hemp industry.

Les served in the U.S. Marine Corps as a tank crewman on the M60A1 tank from 1984-1987.

Amber MacPherson – Social Media Volunteer – Amber MacPherson is an academic research science professional, adventurer, writer, aspiring film maker, and environmentalist who is interested in the role hemp can play in a sustainable future. When she isn’t in the lab, she is running, teaching skiing, writing, or working to build Makeshift Film Group, the company she shares with her husband. She is excited to be able to help the hemp industry expand for the benefit of us all.


Matt Pederson – Social Medial Volunteer – Matt is an avid hiker and former IT professional. Matt’s passion for hemp has motivated his family into moving to Colorado, where he plans to continue his involvement in the cannabis industry professionally. He has spent many years researching the numerous benefits of hemp and cannabis. Over the years he has used social media platforms like Twitter and blogging to help spread awareness of hemp’s incredible history and uses. He greatly enjoys helping others while finding ways to be involved in the organic cannabis industry locally and online.


Dulian Navarro Blog Writer/Social Media Volunteer A native of Miami, Florida who’s love for the great outdoors prompted his migration from the sandy shores to the granite peaks in Colorado. A self-taught naturalist and advocate for cannabis re-education, he spends much of his free time outdoors taking in the sights and sounds of the surrounding Rocky Mountains. He resides with his lovely partner and their 2 dogs. He enjoys fiddling around with his father’s old acoustic guitar, while staying active through physical training and outdoor sports. Constantly, utilizing hours of research to creatively create content based on hemp for the masses. He feels as if the world is on the verge of a great shift towards sustainability and environmentally-friendly practices and products with hemp up at the forefront.

Jennifer LiskeVolunteer As the former owner of a brick and mortar business in the upholstery industry, Jen brings 20+ years in sales, client service, consulting, and management experience. Her love for business, has given her a broad array of areas of expertise, including warehouse work, wholesale and procurement research. She is currently freelancing in several areas, including website design, some copywriting, and the craft of Internet/web research specialist, which she loves.

This next phase of her life is being devoted to industrial hemp, all she can learn about it, and to support the progression and diversity of the industry as well as the plant itself. She looks forward to her journey, along with helping the restoration of a self sustaining America that will come with this plant and it’s endless possibilities, with a focus on fiber uses and possibilities. She brings her love, focus and know how of building things and processes from the ground up, along with a high adaptability to change. Traits that are attributable to these ‘growing pains’ (no pun intended) that are currently the American Hemp Industry. As an avid Detroit Tigers fan, she can be found taking in games during the season. She loves listening to music, reading, walking, or just being a bum in the sun, soaking up the rays.

Mell Green– Blog Writer & Volunteer

Mell Green is a 4’foot-something writer with a body of work that covers a range of topics, however, her primary focus is hemp. Over the last few years, she has advocated for changing the way people perceive the plant and has also worked diligently to build solid relationships with other passionates in the industry. Yet, she knows there’s so much more for her to learn and do. When not fighting the good fight, she’s dabbling in all things creative or discussing travel plans with her favorite humans. If you enjoy hemp as much as Mell does, catch her work in notable publications such as Terpenes and Testing Magazine, the Weed Blog, and many others.

Edward Silva – Volunteer

Edward Silva is a 2nd year MBA at the Stanford Graduate School of Business with a background in agricultural technology. After growing up farming in California’s Central Valley, Edward attended UC Davis and studied International Agricultural Development and Technology Management. He then spent the last 6 years working in various facets of agtech commercialization, from launching a company bringing smart, solar lighting for small scale poultry farmers to helping researchers bring novel technology to market. He is now interested in helping good farmers do well through making advanced technology appropriate. Read more at

Welcome to the National Hemp Association