Corporate & Administrative Staff

We know how important it is to you, our growers, to rely on qualified people to assist you with delivery, billing, and credit questions.  That’s why, as part of our commitment to your success, Centennial Ag Supply Co. invests in highly trained, professional people.  Then we work hard to ensure that our seasoned Administration Office team is ready and available to give you the right answers when you need them.

Dependability, timeliness, professionalism:  That’s our promise to you.

Sales Team

Jim Klein

Jim Klein, Chairman of the Board - Corporate Office

In 1976 Jim had a revolutionary idea to improve crop production. One year later, Jim was applying his method to farmer’s fields and quickly developed a reputation for quality results.   

Jim named his new company Centennial Ag Supply Co. and it has grown to be an innovative, independent, input supply company servicing the Rocky Mountain region with seed, fertilizer, custom application, chemicals and service.

Jim is a Weld County native and his passion is to help his customers grow by improving their productivity and profitability through expert innovation, consultation, products and services. 

Jake Adler, President - Corporate Office

For over sixteen years, Jake has worked in retail nutrients and crop protection. His involvement in many aspects of the industry, including application, agronomy, sales, and management, provide him with hands-on expertise to support his staff and customers. Jake’s leadership is aimed at bringing the best solutions and the greatest return on investment to the farms of our customers. “I am passionate about increasing our grower’s profits. When our customers have success, we do too. That success is everything to me.”

Eric Johnson, Eastern Regional Manager - Julesburg, CO, Yuma, CO, Imperial, NE, Holyoke, CO, Venango, NE

As Eastern Regional Manager, Eric leads our operations team in the areas of application and delivery at our locations in northeastern Colorado and southwest Nebraska. His hands on experience, attention to detail, and leadership skills bring a high level of service excellence to our grower’s farms. Eric trains our staff in the field as well as the classroom in the areas of professional application and customer experience. Eric is known for his dedication to the surrounding community. Eric is the sole recipient of Centennial Ag Supply Co.'s "Hero Award," in honor of his high level of integrity and commitment to our company. Eric was recognized with this award appreciating all he does for his team and the growers in the community.

Mark Roberts

Mark Roberts, Credit Manager - Corporate Office

Mark Roberts has joined our Centennial Ag Supply Co. team with 18 years of experience specializing in credit, accounting, accounts receivable, and customer service with GMAC. Mark is dedicated to ensuring that the team of Centennial Ag Supply Co. employees understands the programs we have to offer our growers. By doing so, he is determined to have a smooth processing for the grower when working with our credit department. Please reach out to Mark with any questions that you may have and let him know how he can assist you in your financial options with Centennial Ag Supply Co. Thank you for your business!

Linda Hulse, HR Manager, SPHR - Corporate Office

Linda develops and implements company policies and procedures in all areas of human resources. Linda’s team helps employees realize future career goals within Centennial Ag Supply Co. by raising employee performance in key areas. Internal customer service training, manager education, and employee communication are some of the key areas Linda’s team focuses on. As a Senior HR Generalist Linda’s skills in the areas of employee recruitment and retention are critical to our future success and the success of our customers.