Jenna Nobles is a Professor of Demography at University of California, Berkeley. She studies the implications of migration systems for sending and receiving communities, the causes and consequences of population variation in fertility and fecundity, and the effects of environmental change on population processes. Nobles currently serves on the National Institutes of Health Stillbirth Working Group of Council and the National Academies’ Committee on Population. At Cal, she is an affiliate of the Berkeley Population Center, the Center for the Economics of Demography and Aging, and the California Policy Lab. Prior to joining the Cal faculty, she was a Professor of Sociology and the Director of the Center for Demography and Ecology at the University of Wisconsin, Madison.