Nancy Allbritton is an international expert on multiplexed single cell assays, microfabricated platforms for high-content cytometry combined with cell sorting, and microengineered stem cell–based systems for recapitulating human organ-level function. Four companies have been formed based on her research discoveries: Protein Simple, Intellego, Cell Microsystems, and Altis Biosystems. She has an M.D. from the Johns Hopkins University School of Medicine and a Ph.D. from the Massachusetts Institute of Technology and is Emeritus Professor at the University of North Carolina, Chapel Hill.