According to Wikipedia. "It has emerged as one of the leading architects of the Bush administration's public policy; more than two dozen AEI alumni have served either in a Bush administration policy post or on one of the government's many panels and commissions."
http://en.wikipedia.org/wiki/American_Enterprise_InstituteA list of members:
Christopher DeMuth, who served in the Reagan administration, has been president of AEI since 1986
Ted Frank is resident fellow and director of the AEI Liability Project.
David Frum, an author and former speechwriter for Bush, is a resident fellow.
Reuel Marc Gerecht is a resident fellow. He is the director of the Project for the New American Century's Middle East Initiative and a former Middle East specialist at the CIA.
Newt Gingrich, member of the Republican Party and Speaker of the United States House of Representatives between 1995 and 1999, is a senior fellow at AEI focusing on health care (he has founded the Center for Health Transformation), information technology, the military, and politics.
Author James K. Glassman is a resident fellow.
Michael Greve is the John G. Searle Scholar and director of AEI's Federalism Project.
Jeane Kirkpatrick is the former U.S. Permanent Representative to the United Nations and an AEI senior fellow.
Michael Ledeen was previously involved in the transfer of arms to Iran during the Iran-Contra affair -- an adventure that he documented in his book, Perilous Statecraft: An Insider's Account of the Iran-Contra Affair.
John Lott, Jr. is an opponent of gun control and the author of a book titled "More Guns, Less Crime."
Joshua Muravchik, is a Resident Scholar. He researches Middle East politics, democracy, neoconservatism and the history of socialism.
Charles Murray, an influential policy writer and a researcher, is the W.H. Brady Scholar in Culture and Freedom. He is best known as the co-author of the controversial The Bell Curve in 1994.
Michael Novak is the George Frederick Jewett Scholar in Religion, Philosophy and Public Policy and Director of Social and Political Studies at the institute. He has written extensively about the role of faith in government.
Richard Perle serves on the United States Defense Policy Board and the former deputy Secretary of Defense.
Lee Raymond, CEO of ExxonMobil, is the vice chair of AEI's board of trustees.
Christina Hoff Sommers is a critic of the feminist movement. She is the author of Who Stole Feminism and The War Against Boys.
Fred Thompson, the current D.A. on Law & Order and former U.S. Senator from Tennessee, researches "National Security & Intelligence (China, North Korea, and Russia)" for the AEI.
Ben Wattenberg, a speechwriter for President Lyndon B. Johnson, is a senior fellow.
John Yoo, formerly of the Office of Legal Counsel, and a professor at Boalt Hall, is a visiting scholar.
Funding sources:
AEI has received more than $30 million in funding from sources including the following:
The Lynde and Harry Bradley Foundation, Inc.
Castle Rock Foundation
Coors
Earhart Foundation
JM Foundation
Microsoft Corporation <1>
Philip M. McKenna Foundation, Inc.
John M. Olin Foundation, Inc.
Sarah Scaife Foundation
Scaife Family Foundation
Smith Richardson Foundation
Looks pretty neocon to me.