Jonathan B. Losos is an evolutionary biologist at Washington University and the founding director of the Living Earth Collaborative, a unique biodiversity centre and partnership between Washington University, the Saint Louis Zoo and the Missouri Botanical Garden. He was previously a professor of biology at Harvard and a curator at the university's Museum of Comparative Zoology. He has won awards from the National Academy of Sciences, the Society for the Study of Evolution and the American Society of Naturalists.

Jonathan is also the author of Improbable Destinies: How Predictable is Evolution?