Since August 2016, Mr. Dewar has been the Chief Executive of The Trenton Group, LLC, an investment and strategy consulting firm focused on security, aerospace and defense technology companies. From 2013 until August 2016 he was Executive Vice President of Lockheed Martin International and Chairman of Lockheed Martin Global, Inc., and from 2010 to 2013 he was Senior Vice President, Strategy and Business Development for Lockheed Martin Corporation. Prior to that he served in various capacities with Lockheed Martin and GE Aerospace.

Mr. Dewar is a director (since 2018) of Butler America Aerospace, LLC, a subsidiary of HCL Technologies Ltd.

Mr. Dewar holds a Master of Science degree in Electrical Engineering from Drexel University as well as a Bachelor of Science degree in Engineering from Swarthmore College. He is a member of the Council on Foreign Relations and serves as a senior adviser to numerous investment firms on aerospace and defense matters. He also qualifies as an audit committee financial expert under SEC guidelines.