Dr. John R. Weeks is Distinguished Professor Emeritus of Geography and Director of the International Population Center at San Diego State University. He is also Clinical Professor of Global Public Health at the University of California, San Diego, School of Medicine, a Senior Fellow of the California Council on Science and Technology, and a Research Associate of the Broom Center for Demography at the University of California, Santa Barbara. He holds a doctorate in Demography from the University of California, Berkeley, from which he also received his bachelor’s and master’s degrees, in Sociology and Demography, respectively. He has published more than 140 papers and chapters in peer-reviewed journals and books, and has authored or co-authored numerous books, including the best-selling text in the field of population studies, now in its 13th edition. His research has been funded by millions of dollars in research grants from private and public sources.