Members of the Forbes 400 have poured millions of dollars into research organizations that fit their social, political and/or business concerns.Following is a list of billionaires and the think tanks that they fund (via their foundations) that she has at the end of the article:
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| Acton Institute for the Study of Religion and Liberty | ||
| Richard M. DeVos | Richard & Helen DeVos Foundation | |
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| American Enterprise Institute | ||
| Philip F. Anschutz | Anschutz Foundation | |
| George L. Argyros | Argyros Foundation | |
| Richard M. DeVos | Richard & Helen DeVos Foundation | |
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| Bruce Kovner | Kovner Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| American Foreign Policy Council | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Aspen Institute | ||
| Steve Case | Stephen Case Foundation | |
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Leonard A. Lauder | Leonard and Evelyn Lauder Foundation | |
| Atlantic Council of the United States | ||
| George Soros | Open Society Foundations | |
| Ted Turner | Better World Fund | |
| Brookings Institution | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Kirk Kerkorian | Lincy Foundation | |
| Haim Saban | Saban Family Foundation | |
| James H. Simons | Simons Foundation | |
| Alice L. Walton | Walton Family Foundation | |
| Jim C. Walton | Walton Family Foundation | |
| S. Robson Walton | Walton Family Foundation | |
| Carnegie Endowment for International Peace | ||
| George Soros | Open Society Foundations | |
| Carter Center | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| William Barron Hilton | Conrad N. Hilton Foundation | |
| Cato Institute | ||
| Philip F. Anschutz | Anschutz Foundation | |
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| Bernard Marcus | Marcus Foundation | |
| W.A. Moncrief Jr. | Wm. A. and Elizabeth B. Moncrief Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| George Soros | Open Society Foundations | |
| Center for American Progress | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Kirk Kerkorian | Lincy Foundation | |
| Gordon E. Moore | Gordon and Betty Moore Foundation | |
| George Soros | Open Society Foundations | |
| Steven Spielberg | Wunderkinder Foundation | |
| Center for Economic and Policy Research | ||
| George Soros | Open Society Foundations | |
| Center for Global Development | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Center for International Policy | ||
| George Soros | Open Society Foundations | |
| Center for Security Policy | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Center for Strategic and International Studies | ||
| Richard Mellon Scaife | Allegheny Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Center on Budget and Policy Priorities | ||
| George Soros | Open Society Foundations | |
| Commonwealth Foundation | ||
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Competitive Enterprise Institute | ||
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Council on Foreign Relations | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Henry R. Kravis | Marie-Josee and Henry R. Kravis Foundation | |
| Leonard A. Lauder | Leonard and Evelyn Lauder Foundation | |
| Economic Policy Institute | ||
| George Soros | Open Society Foundations | |
| Foreign Policy Research Institute | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Foundation for the Defense of Democracies | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Free Congress Foundation | ||
| Richard Mellon Scaife | Carthage Foundation | |
| Freedom House | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| George C. Marshall Institute | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Heritage Foundation | ||
| Richard M. DeVos | Richard & Helen DeVos Foundation | |
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| Bernard Marcus | Marcus Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Richard Mellon Scaife | Allegheny Foundation | |
| Hoover Institution | ||
| Charles B. Johnson | Charles and Ann Johnson Foundation | |
| Alice L. Walton | Walton Family Foundation | |
| Jim C. Walton | Walton Family Foundation | |
| S. Robson Walton | Walton Family Foundation | |
| Hudson Institute | ||
| Israel A. Englander | Englander Foundation | |
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Henry R. Kravis | Marie-Josee and Henry R. Kravis Foundation | |
| Bernard Marcus | Marcus Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Human Rights Watch | ||
| George Soros | Open Society Foundations | |
| George Soros | Soros Fund Charitable Foundation | |
| Steven Spielberg | Wunderkinder Foundation | |
| David A. Tepper | David Tepper Charitable Foundation | |
| Institute for Foreign Policy Analysis | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Jamestown Foundation | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Mackinac Center for Public Policy | ||
| Richard M. DeVos | Richard & Helen DeVos Foundation | |
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| Manhattan Institute for Policy Research | ||
| Philip F. Anschutz | Anschutz Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Alice L. Walton | Walton Family Foundation | |
| Jim C. Walton | Walton Family Foundation | |
| S. Robson Walton | Walton Family Foundation | |
| Mercatus Center | ||
| Philip F. Anschutz | Anschutz Foundation | |
| Charles B. Johnson | Charles and Ann Johnson Foundation | |
| Charles G. Koch | Charles G. Koch Charitable Foundation | |
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| New America Foundation | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Open Society Foundations | ||
| Pierre M. Omidyar | Omidyar Network | |
| George Soros | ||
| Pacific Council on International Policy | ||
| George L. Argyros | Argyros Foundation | |
| Public Policy Institute of California | ||
| Donald Bren | Donald Bren Foundation | |
| Reason Foundation | ||
| Richard Mellon Scaife | Sarah Scaife Foundation | |
| Alice L. Walton | Walton Family Foundation | |
| Jim C. Walton | Walton Family Foundation | |
| S. Robson Walton | Walton Family Foundation | |
| SRI International | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Stimson Center | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Urban Institute | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| World Resources Institute | ||
| William H. Gates III | Bill & Melinda Gates Foundation | |
| Woodrow Wilson International Center for Scholars | ||
| George Soros | Open Society Foundations | |
The article also notes that billionaire's sometimes start their own think tanks, such as investor Nicolas Berggruen. He founded a think tank called the Nicolas Berggruen Institute (NBI), which explores ideas of good governance.
Other billionaires, such as Warren Buffett, are members of prominent think tanks. Buffett is a Life Trustee of the Urban Institute.
Update: A variety of other billionaires who give to think tanks are not on this list, including Tom Steyer, who, among other things, is a member of the Board of Directors of the Center for American Progress (CAP). He is also on the Advisory Council of The Hamilton Project, an initiative of the Brookings Institution.