Paul Marshall is Jerry and Susie Wilson Chair in Religious Freedom at the Institute for Studies of Religion at Baylor University, Senior Fellow at the Hudson Institute's Center for Religious Freedom, Senior Fellow at the Leimena Institute, Jakarta, and Visiting Professor at the Graduate School of Syarif Hidayatullah State Islamic University (UIN) Jakarta, Indonesia.

He is also the author and editor of more than twenty books on religion and politics, especially religious freedom. These books include Persecuted: The Global Assault on Christians (2013, with Lela Gilbert and Nina Shea), Silenced: How Apostasy and Blasphemy Codes Are Choking Freedom Worldwide (2011, with Nina Shea), Blind Spot: When Journalists Don't Get Religion (2009), Religious Freedom in the World (2007), Radical Islam's Rules: The Worldwide Spread of Extreme Sharia Law (2005), The Rise of Hindu Extremism (2003), Islam at the Crossroads (2002), God and the Constitution (2002), The Talibanization of Nigeria (2002), Massacre at the Millennium (2001), Religious Freedom in the World (2000), Egypt's Endangered Christians (1999), Just   Politics (1998), Heaven Is Not My Home (1998), A Kind of Life Imposed on Man (1996), and the best-selling, award-winning survey of religious persecution worldwide Their Blood Cries Out (1997).

He is the author of several hundred articles, and his writings have been translated into Russian, German, French, Dutch, Spanish, Portuguese, Norwegian, Danish, Albanian, Japanese, Malay, Korean, Arabic, Farsi, and Chinese. He is in frequent demand for lectures and media appearances, including interviews on ABC Evening News; CNN; PBS; Fox; the British, Australian, Canadian, South African, and Japanese Broadcasting Corporations; and Al Jazeera. His work has been published in, or is the subject of, articles in the New York Times, Wall St. Journal, Washington Post, Los Angeles Times, Washington Times, Boston Globe, Dallas Morning News, Christian Science Monitor, First Things, New Republic, Weekly Standard, Reader's Digest,and many other newspapers and magazines.