Melrose Industries PLC has announced the appointment of Mary Petryszyn to its board as non-executive director.

Petryszyn has more than 30 years’ senior executive experience in defence systems technologies, operations, and profit and loss management.

Between 2013 and 2023, Petryszyn held a number of senior roles at Northrop Grumman, most recently as corporate vice president and president of defence systems. Prior to this, she held a number of senior executive roles at Singer-Link, Hughes Aircraft and Raytheon.

Petryszyn currently serves as non-executive director at Karman Space & Defense, a concept-to-production provider for complex space and defence missions, and Woodward, Inc, a leader in energy conversion and control solutions, and has been in these roles since 2025 and 2023 respectively.

Petryszyn is also a non-executive director and chair of the audit committee for Ericsson Federal Technologies Group, and is serving as non-executive director and chair of the compensation committee for Saab, Inc.

Chris Grigg, chair of Melrose, said: “We are delighted to welcome Mary to the Board today. She is an accomplished aerospace and defence executive, and her wealth of experience in developing and successfully growing global defence businesses will be invaluable to Melrose as we continue to execute our strategy and drive growth.”