Control systems engineers have significant research opportunities in biology, particularly in understanding and regulating complex biological processes. By applying control theory, they analyze the dynamic behavior of biological systems, such as gene regulatory networks, metabolic pathways, and neural circuits. This approach helps in identifying key factors that influence system stability and response to external perturbations, such as diseases or environmental changes. One crucial application is in drug intervention strategies, where control theory is used to model how drugs interact with biological pathways and optimize dosage schedules to achieve desired therapeutic outcomes with minimal side effects. Additionally, control-based approaches aid in designing synthetic biological circuits and improving personalized medicine by tailoring treatments based on patient-specific dynamics. This interdisciplinary research bridges engineering and life sciences, contributing to advancements in medical treatment and biotechnology.