Jonathan Leeman is an author, speaker, and the editorial director of 9Marks, a ministry that provides resources on church leadership with a focus on church health and organization. He is also an elder at Cheverly Baptist Church in suburban Washington, DC. Leeman is known for his work on church polity, authority, and membership, often discussing how churches should be structured and governed according to biblical principles. He has written several books, including "The Church and the Surprising Offense of God’s Love," "Church Membership: How the World Knows Who Represents Jesus," and "How the Nations Rage: Rethinking Faith and Politics in a Divided Age." His writings often address the intersection of theology, church life, and culture, encouraging churches to maintain a strong, gospel-centered presence in society.