Dr. Mary-Margaret Fill is a Medical Epidemiologist with the Tennessee Department of Health, where she oversees waterborne and zoonotic disease surveillance and outbreak response. She received her undergraduate degree (BS) in Microbiology and a minor in Security and Intelligence from The Ohio State University in Columbus, Ohio. She then earned her Doctor of Medicine from the Mercer University School of Medicine in 2011, where she was inducted into both the Alpha Omega Alpha Honor Medical Society and the Gold Humanism Society. She completed dual-residency training in Internal Medicine and Pediatrics at Vanderbilt University Medical Center and is board certified in both specialties. Following residency, Dr. Fill served as an Epidemic Intelligence Service Officer with the Centers for Disease Control and Prevention, assigned to the Tennessee Department of Health. In addition, she was a member of the Johns Hopkins Center for Health Security Emerging Leaders in Biosecurity Initiative Class of 2017. She has worked on foodborne, waterborne, vaccine-preventable and healthcare-associated disease outbreaks, emerging pathogens, and analysis of surveillance systems and novel datasets