Take context from the input text and decide on the accurate relationship between 'Qatar Airways' and 'Akbar Al Baker' from the options provided.
Options: member of, chief executive officer, legal form, parent organization

At an interaction hosted by Doha Bank Group CEO R Seetharaman and his team where Qatar Airways Group CEO Akbar Al Baker was the Guest of Honour, Ambani also met with a number of top Qatari businessmen and investors.
chief executive officer