Timothy Sandefur is Vice President for Legal Affairs at the Goldwater Institute, where he also holds the Duncan Chair for Constitutional Government. He has won important legal victories for free enterprise and property rights in Arizona, California, Kentucky, Missouri, Oregon, and other states. He is the author of several books, including Cornerstone of Liberty: Property Rights in 21st Century America (coauthored with Christina Sandefur, 2016), The Conscience of The Constitution (2014), The Permission Society (2016), The Right to Earn A Living (2010), Frederick Douglass: Self-Made Man (2018), The Ascent of Jacob Bronowski (2019), and Some Notes on the Silence (2022), as well as dozens of scholarly articles on subjects ranging from eminent domain and economic liberty to copyright, evolution and creationism, slavery and the Civil War, and the political philosophy of Shakespeare, ancient Greek drama, and Star Trek. He is an Adjunct Scholar with the Cato Institute, and his articles have appeared in The Wall Street Journal, National Review, The Weekly Standard, Reason, The Objective Standard, and elsewhere. He is a frequent guest on radio and television programs, including John Stossel, Kennedy, The Armstrong and Getty Show, and CPSAN's Book TV.

Christina Sandefur is Executive Vice President at the Goldwater Institute, where she works in courtrooms, legislatures, and communities to defend and strengthen the freedom guaranteed to all Americans in the constitutions of the United States and all fifty states. She also litigates cases advancing free enterprise, private property rights, free speech, and taxpayer rights.

Christina has won important victories for property rights in Arizona and works nationally to promote the Institute's Property Ownership Fairness Act, a state-level reform requires government to pay owners when regulations destroy property rights and reduce property values.

She is also a co-drafter of the Right to Try initiative, now law in over half of the states, which protects terminally ill patients' right to try promising investigational treatments that have been prescribed by their physician but are not yet FDA approved for market.

Christina is the co-author of the book Cornerstone of Liberty: Private Property Rights in 21st Century America (2016). She is a frequent guest on national television and radio programs, including Fox Business's Stossel, Dick Morris, and The Armstrong & Getty Show. Her litigation and policy work has been featured in National Review, The Washington Post, Human Events, The American Spectator, and The Weekly Standard, among others. Christina has provided expert legal testimony to various legislative committees and is a frequent speaker at conferences. Prior to joining the Goldwater Institute, Christina worked for the Mackinac Center for Public Policy in Midland, Michigan. She is a graduate of Michigan State University College of Law and Hillsdale College.