Northrop Grumman Corporation named Michael Witt as vice president and chief sustainability officer, effective August 9, 2021. Witt will report to Kathy Warden, chairman, chief executive officer and president, and will work closely with the company's executive leadership team. Witt will lead Northrop Grumman's sustainability initiatives to include designing and implementing enterprise-wide business practices for carbon reduction, resource efficiency and materials management. He will help to minimize the company's environmental impact and advance sustainability throughout the business.