Which famous athlete has been the longest-serving brand ambassador for Nike?

Celebrity brand ambassadors can dramatically boost a company's visibility and credibility. These partnerships often represent millions in marketing investments and careful alignment between the celebrity's image and the brand's values. Test your knowledge about which famous personalities are officially representing major global brands in current or recent campaigns.

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Michael Jordan (since 1984)
Serena Williams (since 1995)
Cristiano Ronaldo (since 2003)
LeBron James (since 2003)