Kathleen H. Harriman, PhD, MPH, RN, joined the California Department of Public Health (CDPH) in 2007 as the chief of the Vaccine Preventable Disease Epidemiology Section and is now a retired annuitant working on the COVID-19 response. Prior to CDPH, she worked for 15 years as a communicable disease epidemiologist at the Minnesota Department of Health, including supervising the statewide infection control program. In addition to COVID-19, she has worked on many communicable disease outbreaks including SARS, H1N1 influenza, measles, mumps, and meningococcal disease. She also has worked as a pediatric emergency room nurse and as an infection preventionist at Children’s Minnesota. Dr. Harriman served as a voting member of ACIP from 2012-2016.