Utilize the input text as a context reference, choose the right relationship between Alcoa and Klaus Kleinfeld 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.

Chief Executive Officer Klaus Kleinfeld will become CEO of the new, unnamed entity and will remain chairman of Alcoa throughout the transition period.
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