December 13, 2023

Great American Media Services names Kim Sammartino as associate publisher of GPN

Great American Media Services, publisher of Greenhouse Product News (GPN), has announced the promotion of Kim Sammartino to Associate Publisher of GPN.

Kim has consistently demonstrated a keen understanding of the greenhouse industry, a passion for excellence and an unwavering commitment to our company’s mission,” said Matt McCallum, CEO of Great American Media Services. “Her ability to innovate, collaborate and drive results has made a significant impact on our team and the GPN brand.”

As part of her new role, Kim will be working closely with the internal team on creating and implementing new marketing packages and custom client solutions, as well as expanding relationships with industry associations and suppliers. She will continue in her sales role for GPN as she works to help her clients reach the nation’s greenhouse growers with innovative marketing opportunities.

“As associate publisher, Kim will play a key role in shaping the future of the brand ,” McCallum said.

Learn more about GPN at You can reach out to Kim Sammartino at 616-520-2173 or 

About GPN

Greenhouse Product News (GPN) is an award-winning brand that consistently delivers pertinent information growers need to be successful in the greenhouse. Reaching over 45,000 print and digital readers, GPN is a 24/7, 365 on-demand print and digital resource that features a bold, fresh look and is packed with the latest insights, products, perspectives and more. Visit

About Great American Media Services

With more than 60 years of experience in business-to-business communications and marketing, Great American Media Services is a leading source of industry information for the agriculture, horticulture, retail and sports industries through its 13 magazines, related digital communications and supporting industry events. In addition, Great American Media Services offers a number of marketing solutions for clients to engage with prospective customers on a multitude of platforms. Visit