Chief executive Alan Joyce said the airline's operations at Sydney Airport had faced an uncertain future after that date, including possibly being shifted to Terminal 2, which currently houses rival Virgin Australia, Qantas subsidiary Jetstar and a number of smaller regional operators.
Utilize the input text as a context reference, choose the right relationship between 'Alan Joyce' and 'Qantas' from the options.
Options: employer, director/manager, owner of, chief executive officer