In the context of the input sentence, determine the relationship between 'Satya Nadella' and 'Microsoft'.
Options: employer, owner of, brand, chief executive officer

New York, Jul 19: Microsoft 's India-born CEO Satya Nadella 's emphasis on " mobile -first, cloud-first world" fits well into India's needs as the strategy will ensure affordable technology to millions of small businesses, a senior company executive has said.
employer