Brian Sinkiewicz is the Chief Executive Officer of Crestview Aerospace and the President of OneStream Consulting, positions held since 2024. They are an experienced senior executive in the aerospace and defense industry, skilled in team leadership, P&L management, customer engagement, operations, business development, international business, and core elements of program execution and strategic growth. Their prior roles include Senior Vice President & Division General Manager at Textron Systems (2007–2011) and Senior Vice President, U.S. Defense at GKN Aerospace (2021–2024), as well as Senior Vice President, Airborne Solutions at Elbit Systems of America (2018–2020). Earlier positions included Contract Manager at Symmectricom (1996–1998) and Manager, Program Contracts at Raytheon (2005–2007).
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