Clayton A. Hollier is a Professor and Extension Specialist for Agronomic Field Crop Diseases at the Louisiana State University Agricultural Center, Department of Plant Pathology and Crop Physiology. He earned the BS degree in Biology and MS degree in Biology (Botany) from Delta State University, and received the PhD in Plant Pathology from Mississippi State University. His extension program focuses on developing economical and sustainable disease management practices for agronomic field crops, including corn, grain sorghum, rice, soybean, and wheat. Research efforts focus on crop loss assessment and a systems approach to plant disease management.