Ronald D. Sugar (born July 30, 1948) is an American business executive.
He was the chairman of the board and chief executive officer of the Northrop Grumman Corporation from 2003 to 2009.
Sugar was the president and chief operating officer of TRW Aerospace and Information Systems.
He then was the president and chief operating officer of Northrop Grumman Corporation from 2001 to 2003, and chairman and CEO from 2003 to 2009.
[5] Sugar was elected a member of the National Academy of Engineering "for major contributions to advanced space communication systems and leadership in innovative aerospace programs".