Darrell Johnson has a B.S. in Animal Science from Missouri State University and an M. S. and Ph.D in Ruminant Nutrition from the University of Kentucky. He spent 5½ years as Extension Ruminant Nutrition Specialist at Mississippi State University before returning to Kentucky in 1989 as a Technical Service Specialist for a regional feed company. He became Executive Director of Regulatory Services at the University of Kentucky in 2012. In this role he oversees the direction of feed, fertilizer, seed and milk regulations in the state. The regulations are set by state statute and are designed to provide consumers accuracy and completeness in the products they purchase. His Division is also responsible for soil testing provided through the Extension Service. He is a member and past president of the American Registry of Professional Animal Scientists and is a Fellow in the American Society of Animal Science. He and his wife Beth live on a farm in central Kentucky where they raise cattle and goats. They have two adult children and two granddaughters.