Utilize the input text as a context reference, choose the right relationship between Magna International and Donald Walker 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.

Magna International Inc. CEO Donald Walker speaks to shareholders at the company's annual general meeting in Toronto May 10, 2012.
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