He is author of a book on fertility and social interaction, has co-edited books on the biodemography of human reproduction and fertility and on causal inferences in population studies. Prof. Kohler has widely published on topics related to fertility, health, social and sexual networks, HIV/AIDS, biodemography and well-being in leading scientific journals, and his work has had substantial influence on policy and media discussions related to demographic change.
He is currently the principal investigator of the Malawi Longitudinal Study of Families and Health, the Chair of the Graduate Group in Demography at the University of Pennsylvania, and the president of the Society of Biodemography and Social Biology. He received his M.A. in demography and his Ph.D. in economics from the University of California at Berkeley.