Dr. Todd M. Johnson is Professor of Global Christianity and Director of the Center for the Study of Global Christianity at Gordon-Conwell Theological Seminary. Johnson is visiting Research Fellow at Boston University’s Institute for Culture, Religion, and World Affairs leading a research project on international religious demography. He is co-author of The World’s Religions in Figures (Wiley-Blackwell), co-editor of the Atlas of Global Christianity (Edinburgh University Press), and co-author of the World Christian Encyclopedia (Oxford University Press, 2nd ed.). He is co-editor of the World Christian Database (Brill) and World Religion Database (Brill).