Joe Thelen Joins Rock River Laboratory as Sales Leader

Thelen to Support Customers With Agronomy Solutions

Bonnie Johnson
July 03, 2026
Media Article

Rock River Laboratory has appointed Joe Thelen as Regional Sales Representative, Agronomy, bringing more than 30 years of agricultural sales experience to support customers with agronomic solutions.

Rock River Laboratory, Inc. has appointed Joe Thelen as Regional Sales Representative, Agronomy. In his new role, he will work with customers to identify agronomic solutions and support business decision-making.

Thelen brings more than 30 years of agricultural sales experience. Raised on a diversified farm in Nebraska, he gained hands-on experience with crop, dairy, beef, and swine production before earning a Bachelor of Science degree from the University of Nebraska–Lincoln.

Throughout his career, Thelen has held sales positions with Waypoint Analytical, Ever.Ag, Proagrica, and Midwest Laboratories.

Founded in 1976, Rock River Laboratory is a family-owned laboratory network that provides agricultural analysis, diagnostic services, and research-supported solutions to customers worldwide.

Photo by: rockriverlab.com