Utilize the input text as a context reference, choose the right relationship between Apple Inc and Tim Cook from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Apple Inc Chief Executive Tim Cook said the company is planning to open 25 retail stores in China within the next two years, according to a Chinese transcript of an interview posted by web portal Sina.com.

Answer: chief_executive_officer