Mark Regnerus is Professor of Sociology at the University of Texas at Austin, and the president of the Austin Institute for the Study of Family and Culture. His research is in the areas of marriage, family, sexual decision-making, and religion. 

Mark is the author of over 40 published articles and book chapters, and four books. The last two of these are The Future of Christian Marriage (Oxford, 2020), a seven-country study of the waning marital impulse, and Cheap Sex and the Transformation of Men, Marriage, and Monogamy (Oxford, 2017) in which he describes the world that has come to be due to the influence of technology on sex and sexuality. 

His published research is widely reviewed, including in outlets such as The New Yorker, The Atlantic Monthly, Christianity Today, and the Wall Street Journal. He’s an occasional contributor to First Things and is a contributing editor at Public Discourse. He was also the author of a 2012 study on the comparatively optimal outcomes of young adults raised in biologically-intact, stably-married households. He earned his Ph.D. in 2000 from the University of North Carolina at Chapel Hill.