Take context from the input text and decide on the accurate relationship between 'Qatar Airways' and 'Akbar Al Baker' from the options provided.
Options: creator, founded by, owner of, chief executive officer

Al Maha plans to use Airbus A320s and unspecified twin-aisle aircraft diverted from its parent company’s vast orderbook, with Qatar Airways Group CEO Akbar Al Baker pledging to build an Al Maha fleet of 50 aircraft within a few years.
chief executive officer