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Meet

James

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James F. White

Advisory - Plant Biology & Microbes

Service Regions: 

James F. White is Professor of Plant Biology at Rutgers University in New Jersey where he and students conduct research on ecology of microbes that inhabit plants (endophytes). James White obtained the B.S. and M.S. degrees in Botany and Plant Pathology from Auburn University in Alabama, and the Ph.D. in Botany/Mycology from the University of Texas at Austin. James White is the author of more than 300 articles and book chapters, and author and editor of seven books on the biology of plant microbes. James White is an elected fellow of the American Association for the Advancement of Science (AAAS), and Associate Editor for journals Symbiosis, Fungal Ecology, MycoScience, Biology and Scientific Reports. He has presented extensively at international industry and academic conferences focused on regenerative agriculture, plant biostimulants and crop microbiomes.

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Larry Fiene

Founder/CEO

CEO and Co-Founder of Planet Earth Agronomy, Larry leads the company’s research-driven agronomy platform, delivering tested biostimulant and nutrient solutions across 15 U.S. states and Canada while serving on multiple industry boards and earning national recognition for agricultural leadership.

Mitchell Fiene

Co-Founder, Distribution Accounts

Co-Founder of Planet Earth Agronomy, Mitchell combines precision-ag technology and soil health expertise to help growers achieve measurable gains in crop performance, operational efficiency, and long-term sustainability.

Jake Fiene

Operations Lead

Jake Fiene combines hands-on agricultural experience with a systems-level role at Planet Earth Agronomy, supporting product formulation, manufacturing, logistics, and customer success. He focuses on delivering consistent, field-ready solutions by aligning product performance with real-world conditions.

Benjamen Sauder

Director of Western Expansion

Ben Sauder is an agronomy leader focused on improving water use, nutrient efficiency, and crop performance, bringing over two decades of experience working with growers and advancing precision ag innovations across the western U.S.

Darcy Richardson

Office Manager/Billing

Darcy Richardson brings nearly 30 years of agricultural office experience to Planet Earth Agronomy, managing financial and administrative operations with precision to keep the business running efficiently and reliably.

Brian

Operations

Brian Ezman supports operations at Planet Earth Agronomy, ensuring products are built, managed, and delivered with consistency, while also playing a key role in executing field events and customer experiences.

Jeremy Hampton

Farmer Education

Jeremy Hampton is an agronomist and grower-focused leader at Planet Earth Agronomy, combining retail experience and on-farm insight to deliver practical, ROI-driven solutions for large-scale operations.

Troy Tagtmeyer

Sales Representative - Western Expansion

Western U.S. Sales Representative, Troy brings more than 15 years of agronomy leadership and hands-on farming experience to support growers and retailers with practical, field-proven solutions.

Scott

Regulatory Lead

Scott brings 40 years of regulatory and safety experience to Planet Earth Agronomy, building systems and training programs that ensure compliance while keeping operations efficient and field-ready.

Joe Farmer

Sales Representative

Joe Farmer leads sales in Indiana and Ohio for Planet Earth Agronomy, combining experience from The Andersons with a practical, ROI-focused approach to help growers improve performance in the field.

Grace Geils

Microbioligist

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