Lucy Shapiro (born July 16, 1940) is an American developmental biologist. She is a professor of Developmental Biology at the Stanford University School of Medicine. She is the Ludwig Professor of Cancer Research and the director of the Beckman Center for Molecular and Genetic Medicine.She founded a new field in developmental biology, using microorganisms to examine fundamental questions in developmental biology. Her work has furthered understanding of the basis of stem cell function and the generation of biological diversity.Her ideas have revolutionized understanding of bacterial genetic networks and helped researchers to develop novel drugs to fight antibiotic resistance and emerging infectious diseases.He received Louisa Gross Horwitz Prize in 2012.