Marjorie Cohn is Professor of Law at the Thomas Jefferson School of Law, San Diego, California, and president of the National Lawyers Guild.

Cohn is known mostly for her columns commenting on legal issues involving the Bush administration. Her weekly columns appear in MWC News, AlterNet, CounterPunch, CommonDreams, After Downing Street, ZNet, and GlobalResearch. Beyond that, she is a commentator for the BBC, CNN, MSNBC, Fox News, NPR and Pacifica Radio. Aside from these, activities she lectures throughout the world on human rights and US foreign policy.In mid-2008, she gave testimony before the U.S. House of Representatives Judiciary Committee's Subcommittee on the Constitution, Civil Rights and Civil Liberties concerning the so-called "enhanced interrogation techniques" and their legal status.

Cohn has authored or co-authored several books, including Cowboy Republic: Six Ways the Bush Gang Has Defied the Law (2007), which examines allegations of serious violations of the law by the George W. Bush administration. Her latest book, Rules of Disengagement (co-authored with Kathleen Gilberd) will be out in 2008.