Samuel Richard "Sandy" Berger (October 28, 1945 – December 2, 2015) was an American political consultant of Jewish descent. He served as the United States National Security Advisor for President Bill Clinton from March 14, 1997 until January 20, 2001. Before that, he served as the Deputy National Security Advisor for the Clinton Administration from January 20, 1993 until March 14, 1997.