Analyze the relationship between 'Qatar Airways' and 'Akbar Al Baker' within the context of the input sentence.
Options: parent organization, member of, chief executive officer, legal form

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