Jerry Haines

Owner and Manager

Jerry Haines is the owner and president of Dairyland Trading Company. He is a leader in the cheese and dairy industry, with over 25 years experience. Having worked for Good Home Foods, Saputo Cheese USA, Winona Foods, and Titletown Cheese, Jerry has expertise in all aspects of the industry - aging, grading, packaging,  sales, purchasing, storage, procurement and research and development - making him the go-to-guy for cheese.


Jenny Oleck

Account Manager

Jenny is the Customer Service Sales Director for Dairyland Trading Co., LLC.  Jenny’s knowledge and understanding of the dairy industry comes from her 20+ years of experience having worked for various small, family-owned dairy companies in the Green Bay / De Pere (Wisconsin) area, as well as several years of larger-sized company experience.  Jenny is a valuable asset to the team, skillfully working both behind the scenes and in front of customers to coordinate and oversee the company’s purchases, sales, inventory, and traffic needs.


Laura Ajero

Financial Coordinator

Laura is our Financial Coordinator with 25+ years of experience. She is responsible for overseeing and administering Account Receivables, Account Payable and related office administration for Dairyland Trading Co.


Debby Karr

Front Desk Receptionist & Admin Assistant

Since joining Dairyland Trading Co., LLC, Debby has played a crucial role in the continued success of the business. Debby is the gatekeepers for our office, as her exceptional set of skills is designed to perform essential administrative duties. 
Debby offers a friendly and warm service to anyone that joins us in the office.