Kaitlyn Sadtler is an Earl Stadtman Investigator and Chief of the Section on Immuno-Engineering at the National Institutes of Health. She began her lab at NIBIB after a postdoctoral fellowship at the Massachusetts Institute of Technology in the Department of Chemical Engineering. There, she was awarded an F32 Postdoctoral Fellowship for her work on immunology and regenerative medicine. She completed her Ph.D. at the Johns Hopkins University School of Medicine where she showed a critical role for Th2-T cells in biomaterial-mediated muscle regeneration. Her research has been published in journals such as Science, Nature Methods, Nature Communications, and Science Translational Medicine. She was recognized as a 2018 TED Fellow and delivered a TED talk that has been viewed >2.4 million times. Dr. Sadtler was selected for the 2019 Forbes 30 Under 30 List in Science and received the 2021 Outstanding Recent Graduate Award from Johns Hopkins University, along with a special award for pandemic response from the University of Maryland, Baltimore County (UMBC) where she completed her undergraduate studies. Since starting her laboratory at the NIH, Dr. Sadtler has lent her lab’s expertise to the fight against COVID-19, testing thousands of blood samples to identify 17 million undiagnosed infections as of summer 2020. This work has been featured in the New York Times, CBS National News, and CBC, and was highlighted during her nomination to the 2021 list of MIT Technology Review’s 35 Innovators Under 35.