He served from 2003 to 2005 in the office of the Vice President of the United States as deputy assistant for national-security affairs and director of policy planning.
He was one of the signers of the Project for the New American Century (PNAC) documents Statement of Principles (June 3, 1997) and a letter on terrorism submitted to President George W. Bush (September 20, 2001).
"[5] Friedberg co-founded the Alexander Hamilton Society, a non-partisan membership organization based in DC, along with Dan Blumenthal and Roy Katzovicz in March 2010.
[8] Hence, unlike more pessimistic realist scholars, Friedberg, in a seminal article published in International Security in 1993, advocated continued U.S. engagement in East Asia to serve as a stabilizing force until regional economic integration and multilateral institutions had time to develop.
[9] Thus, in contrast to traditional realpolitik scholars, Friedberg believes that conflict is not inevitable in East Asia as China continues to develop as long as multilateral institutions and economic integration are used as tools to manage security dilemmas.