Dr. Cosgrove is a Professor of Medicine in the Division of Infectious Disease at Johns Hopkins University School of Medicine and has a joint appointment in the Department of Epidemiology at the Johns Hopkins Bloomberg School of Public Health. She serves as the Director of the Department of Antimicrobial Stewardship and the Associate Hospital Epidemiologist at The Johns Hopkins Hospital. Dr. Cosgrove’s research interests include the epidemiology and outcomes of antimicrobial resistance, the development of tools and programs to promote the rational use of antimicrobials, the prevention of hospital-acquired infections and the epidemiology and management of S. aureus bacteremia. Early in her career, she recognized the critical need to study antimicrobial stewardship strategies and has led a series of outcomes studies over the past 15 years that have defined the practice of antimicrobial stewardship in the United States. She is a voting member of the Presidential Advisory Council on Combating Antibiotic-Resistant Bacteria. She is a Past President of the Society for Healthcare Epidemiology’s Board of Directors. Dr. Cosgrove received her undergraduate degree from Columbia College, her medical degree from Baylor College of Medicine, and her master of science degree in epidemiology from Harvard School of Public Health. She completed her postgraduate training in internal medicine at The Johns Hopkins Hospital and underwent subsequent training in infectious diseases at Beth Israel Deaconess Medical Center.