Prof. Dr. Gülay Kaçar is a professor at Bolu Abant İzzet Baysal University, Faculty of Agriculture, Department of Plant Protection. She specializes in applied entomology, biological control, and integrated pest management. Her research focuses on developing sustainable pest control strategies, particularly in agricultural ecosystems. She has specialized in the biological control of Drosophila suzukii and Hyphantria cunea. In addition, she has conducted extensive studies on pest management in olive, hazelnut, apple, and cherry production. Recently, her research has expanded to include Leptinotarsa decemlineata, Tuta absoluta in tomatoes, and mealworm rearing. Throughout her academic career, she has contributed significantly to the field of biological control, publishing numerous scientific articles and leading various research projects. Her work aims to improve sustainable pest management practices and enhance ecological balance in agricultural production.