Walker joined the faculty of Southern Seminary in 2019. His previous appointment was Senior Fellow in Christian Ethics at the Ethics & Religious Liberty Commission. His calling as a professor is to defend and advance the moral witness of the gospel. Additionally, he is a Fellow in Christian Political Thought at the Ethics and Public Policy Center and serves as the Managing Editor of WORLD Opinions.
He writes regularly for such outlets as National Review, First Things, Newsweek, WORLD Opinions, The Gospel Coalition, American Reformer, and Public Discourse. He is the author of the award-winning God and the Transgender Debate (now in its second edition), co-author of Marriage Is: How Marriage Transforms Society and Cultivates Human Flourishing, editor of The Gospel for Life series, and author of the award-winning Liberty for All: Defending Everyone’s Religious Freedom in a Secular Age. He has also written a curriculum with LifeWay titled The Gospel and the First Freedom. His most recent publications are two edited volumes, Social Conservatism for the Common Good: A Protestant Engagement with Robert P. George and Baptist Political Theology with Paul Miller and Thomas Kidd. His next book Faithful Reason: Natural Law Ethics for God’s Glory and Our Good (B&H Academic) publishes in May 2024. Andrew and his wife, Christian, are also co-authors of the forthcoming What Do We Say When…? A Parent’s Guide to Navigating Cultural Chaos for Children and Teens. He is also co-editor alongside Ryan T. Anderson of the forthcoming, Five Views on the Natural Law (Zondervan, 2025). He’s done additional study through the Witherspoon Institute and the James Madison Program at Princeton University. In 2023, he was one of the winners of the inaugural “Freedom and Opportunity” academic awards from the Heritage Foundation for his contributions to conservative thought.
A sought-after conference speaker and cultural commentator, Walker researches and writes about the intersection of Christian ethics, public theology, and the common good. His academic research interests include natural law theory, human dignity, theology of law, family stability, church-state studies, and social conservatism. His analysis and commentary have been cited in such outlets as The New York Times, Los Angeles Times, and many others.
He teaches courses in the areas of ethics, biomedical ethics, sexual ethics, moral theory, public theology, and religion in the public square. He oversees several Doctor of Ministry students and Research Doctoral students as well as serving as the primary program coordinator for Southern’s Ethics and Public Theology concentration.
An avid long-distance runner, Andrew resides in Louisville, Kentucky with his wife and three daughters and teaches a weekly community group in his local church.