#1: Thomas Donilon - Before becoming National Security Adviser to President Obama, he was affiliated with the Brookings Institution.
#2: Leon Panetta - Before becoming Defense Secretary, he co-founed The Panetta Institute for Public Policy.
#23: Kurt Campbell - Before becoming Assistant Secretary of State for East Asian and Pacific Affairs, he co-founded the Center for a New American Security (CNAS).
#25: Susan Rice - Before becoming US Ambassador to the United Nations (UN), she was a Senior Fellow at the Brookings Institution.
#41: Andrew Krepinevich - He is the President of the Center for Strategic and Budgetary Assessment (CSBA).
#42: Former Sen. Chuck Hagel - He is the Chairman of the Atlantic Council.
#43: John Hamre - He is the President of the Center for Strategic and International Studies (CSIS).
#44: Richard Danzig - He is the Chairman of the Center for a New American Security (CNAS).
#45: Rudy deLeon - He is the Senior Vice President, National Security and International Policy, Center for American Progress (CAP).
#70: Michele Flournoy - She is the Co-founder of the Center for a New American Security (CNAS).
#77: Todd Harrison - He is a budget expert at the Center for Strategic and Budgetary Assessment (CSBA).
#78: David Berteau - He is the Director of the International Security Program at the Center for Strategic and International Studies (CSIS).
#80: Loren Thompson - He is the CEO of the Lexington Institute.
#82: Chris Preble - He is the Vice President for Defense and Foreign Policy Studies at the Cato Institute.
#92: Peter Singer - He is a Senior Fellow at the Brookings Institution.
#96: Barry Blechman - He is a Co-founder of the Stimson Center.
#97: Larry Korb - He is a Senior Fellow at the Center for American Progress (CAP).
#98: Mackenzie Eaglen: She is a Scholar at the American Enterprise Institute (AEI).
Gen. David Petraeus, who relied heavily on input from think tanks, is #100 on the list.
In related defense/think tank news, are think tanks biased toward the US Army?