Christopher Calio

Chairman, President and Chief Executive Officer RTX

Last Reviewed: October 3, 2026

Executive Summary

Christopher Calio is Chairman, President and Chief Executive Officer of RTX, the aerospace and defense company formed by the 2020 merger of United Technologies and Raytheon. He became chief executive in May 2024 and chairman in April 2025. A lawyer by training, he joined United Technologies in 2005 in legal roles at Pratt & Whitney and UTC Aerospace Systems, then moved into business leadership as chief of staff to UTC’s chief executive, head of Pratt & Whitney’s commercial engines business and president of Pratt & Whitney. As chief operating officer he managed RTX’s realignment into three businesses. His career runs from in-house counsel to the chief executive’s office.

Career Highlights

• Chairman of RTX since April 2025; Chief Executive Officer since May 2024; President since March 2023.
• Chief Operating Officer of Raytheon Technologies and then RTX, 2022 to 2024.
• President of Pratt & Whitney, 2020 to 2022.
• President of Commercial Engines, Pratt & Whitney, 2017 to 2019.
• Vice Chair of the Aerospace Industries Association.

Professional Journey

Calio earned a bachelor’s degree at Trinity College and a law degree and an MBA at the University of Connecticut. He joined United Technologies in 2005 and held legal roles including vice president and counsel for Pratt & Whitney’s commercial engines business and vice president and general counsel of UTC Aerospace Systems.

From February 2015 to January 2017 he was chief of staff to UTC’s chairman and chief executive. He then ran Pratt & Whitney’s commercial engines business as president until 2019, and in January 2020 became president of Pratt & Whitney, the aircraft engine maker, a role he held through the merger of UTC and Raytheon that created Raytheon Technologies.

In March 2022 he became chief operating officer of Raytheon Technologies, and from March 2023 president and chief operating officer of the renamed RTX, joining the board in December 2023. RTX says that as chief operating officer he managed the realignment of the company from four business segments to three, Collins Aerospace, Pratt & Whitney and Raytheon.

He became chief executive in May 2024 and, after executive chairman Gregory Hayes stepped down, chairman in April 2025. RTX operates three businesses, Collins Aerospace, Pratt & Whitney and Raytheon, and employs more than 180,000 people, according to the company. Outside RTX he is vice chair of the Aerospace Industries Association and serves on the board of the US-India Strategic Partnership Forum.

The 2026 proxy shows he sits on the board’s Finance and Special Activities committees. He succeeded Gregory Hayes, who had led the company since the 2020 merger and stayed on as a special adviser to the chief executive through January 2026.

Education

University of Connecticut

Juris Doctor

University of Connecticut

MBA

Trinity College

Bachelor’s degree