Cynthia A. Gruensfelder is the President of the Defense Sector at Leidos Holdings Inc., a leading science and technology company focused on delivering solutions for national security, health, and civil markets. With over 30 years of experience in the defense and intelligence sectors, she oversees a portfolio that includes mission-critical programs in cybersecurity, space systems, intelligence analysis, and autonomous systems. Gruensfelder joined Leidos in 2021, bringing her expertise in driving innovation and operational excellence to support U.S. Department of Defense priorities. Prior to Leidos, Gruensfelder held senior leadership roles at major defense contractors, including Vice President and General Manager of Tactical Space Systems at Northrop Grumman, where she led the development and production of advanced satellite and missile defense technologies. Her career also spans positions at Lockheed Martin, Raytheon, and Boeing, where she managed multi-billion-dollar programs, grew business units by double digits, and championed digital transformation initiatives. Notable achievements include spearheading the integration of AI-driven capabilities into airborne intelligence systems and fostering strategic partnerships that enhanced U.S. warfighter readiness. At Leidos, Gruensfelder has been instrumental in expanding the Defense Sector's capabilities, securing major contracts worth billions, and advancing next-generation technologies like hypersonics and resilient communications networks. Her leadership emphasizes a customer-first approach, workforce development, and ethical innovation, positioning Leidos as a trusted partner for the nation's most complex defense challenges.