RTX announced Troy Brunk has been appointed president of Collins Aerospace and will report to RTX president and chief executive officer Christopher Calio. Brunk, a 30-year aerospace and defense veteran, succeeds Stephen Timm who has decided to retire. Brunk has served in a variety of Collins Aerospace leadership positions including president of the Avionics, Interiors and Mission Systems strategic business units.

Brunk earned his Bachelor of Science degree in Industrial Engineering and Master of Business Administration degree from the University of Iowa. Stephen Timm will remain with the company through March 2025 as special advisor, focused on business transformation at Collins Aerospace, continuing to report to Calio. Timm's career with Collins spans 28-years, serving as business president since 2020.

He played a critical role in managing Collins through the global pandemic and commercial aerospace recovery. As part of the planned leadership transition, Heather Robertson becomes president of Collins' Mission Systems strategic business unit. Robertson is a 24-year company veteran with leadership expertise spanning both defense and commercial segments.

Most recently she's served as the chief operating officer for Mission Systems. Prior to that role, Robertson was vice president and general manager of the company's Commercial Air Transport Systems business and before that she spent more than a decade in leadership roles supporting the Mission Systems portfolio.