John Jeffrey

Director of National Sales

(816) 344-5738  ext. 3516


John Jeffrey is accomplished in the livestock and business industries, making him an ideal fit for the Senior Manager of Strategic Accounts. A Kansas native, he was raised on his family’s diversified livestock operation. Jeffrey completed his bachelor’s degree in Animal Science and master’s in Meat Science at Oklahoma State University. He was a member of the 1989 National Champion Livestock Judging Team at OSU. He spent 11 years working for Cargill as a fat cattle buyer and was in the pharmaceutical sales industry for 10 years, prior to starting at BioZyme in 2015. He enjoys involvement in his family’s cattle operation as time allows, as well as roping and rooting for the Oklahoma State Cowboys.