Company Leadership – Mary D. Petryszyn

Company Leadership – Mary D. Petryszyn

Mary D. Petryszyn

Corporate Vice President and President
Northrop Grumman Defense Systems

Mary D. Petryszyn is corporate vice president and president, Northrop Grumman Defense Systems sector, a leading global provider of defense solutions addressing evolving threats and quick-turn requirements.

In this role, Petryszyn oversees delivery of a broad spectrum of missiles and tactical weapons, all-domain command and control architectures, integrated battle command systems, and sustainment and modernization capabilities to a wide variety of national security, military and civil customers.

Previously, she served as sector vice president and general manager of the Land and Avionics C4ISR division for Northrop Grumman Mission Systems sector, and as vice president of Global Strategy and Mission Solutions at the heritage Northrop Grumman Aerospace Systems sector.

Petryszyn has extensive global experience in business and operational leadership in government and defense markets. Prior to joining Northrop Grumman in 2013, Petryszyn held leadership roles at Singer-Link, Hughes Aircraft Company, and Raytheon including in areas of profit and loss, program management, strategy and business development, and mergers and acquisitions.

Petryszyn earned a bachelor’s degree in electrical and computer engineering from Clarkson University and a master’s degree in computer engineering from Syracuse University. She completed advanced management programs, including the Executive Business Leadership Program at the University of Chicago and Indiana University’s Executive Marketing Program.  Currently she serves on the Corporate Partnership Council for the Society of Women Engineers (SWE) and on the Board of Governors of the United Service Organizations (USO). Petryszyn is a fellow life member of SWE and is a senior member of the Institute of Electrical and Electronics Engineers (IEEE). In 2021, she received the prestigious Wash100 Award from Executive Mosaic.

Northrop Grumman is a technology company, focused on global security and human discovery. Our pioneering solutions equip our customers with capabilities they need to connect, advance and protect the U.S. and its allies. Driven by a shared purpose to solve our customers’ toughest problems, our 90,000 employees define possible every day.

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