Daniel Joseph Crowley is an American businessperson who has been the head of 14 different companies and presently occupies the position of Chairman, President & Chief Executive Officer at Triumph Group, Inc., Chairman for Triumph Aerostructures LLC (a subsidiary of Triumph Group, Inc.), Chairman for Merritt Preferred Components, Inc., Chairman of Triumph Aviation Services - NAAS Division, Inc. and President at Raytheon European Management & Systems Co. Mr. Crowley is also on the board of 7 other companies.

In the past he occupied the position of Chief Operating Officer-Aeronautics Business Unit at Lockheed Martin Corp., President & Chief Executive Officer for Raytheon Patriot Support Co., President of Raytheon Network Centric Systems, Inc., President for Raytheon Integrated Defense Systems, Inc., President for Raytheon Systems Development Co., President for Raytheon Systems International Co., President for Raytheon Southeast Asia Systems Co., President of Raytheon Korean Support Co., President at Raytheon Middle East Systems Co., President of Raytheon Radar Ltd., President-Integrated Defence Systems & VP at Raytheon Co. and Manager for Thales-Raytheon Systems Co. SAS.

Daniel Joseph Crowley received a graduate degree from The University of Texas at Austin and a graduate degree from Stanford University.