Harris A. Lewin, an American biologist, is a professor of evolution and ecology and Robert and Rosabel Osborne Endowed Chair at the University of California, Davis. He is a member of the National Academy of Sciences. In 2011, Lewin won the Wolf Prize in Agriculture for his research into cattle genomics. Lewin chairs the working group for the Earth BioGenome Project, a moonshot for biology that aims to sequence, catalog, and characterize the genomes of all of Earth’s eukaryotic biodiversity over a period of 10 years.