FILE PHOTO: An American Airlines Airbus A321-200 plane takes off from Los Angeles International airport (LAX) in Los Angeles, California, U.S. March 28, 2018. REUTERS/Mike Blake

(Reuters) - American Airlines Group Inc AAL.O said on Thursday it would restructure its operations and commercial teams and announced a host of new appointments as the No. 1 U.S. airline increases focus on revenue growth and network expansion.

The carrier said David Seymour, Vasu Raja, Don Casey and Kurt Stache will take on leadership roles for operations, network strategy, revenue and customer experience teams, respectively.

Additionally the airline said Senior Vice President, customer experience, Kerry Philipovitch, would retire from the company by the end of 2019.