Dr. Rosie D. Lyles is the medical director of U.S. Medical Affairs at AbbVie. She is a clinical and medical affairs leader specializing in infectious diseases, hospital epidemiology, and antimicrobial stewardship. Her work includes developing and executing strategic medical programs, focusing on medical education, publication planning, and key opinion leader engagement. In addition to her research contributions, Dr. Lyles has helped advance infection prevention strategies in both acute and long-term healthcare settings. A recognized public speaker, Dr. Lyles has published extensively in peer-reviewed journals. Her leadership in medical communications and public health initiatives continues to influence healthcare practices.