eBay

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chief Meg Whitman won't stand for re-election to

Gap's

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, citing other professional commitments.

Whitman, 48, has served on Gap's board since 2003. She'll stay through the end of her term in May. The move will leave the retailer with 12 directors.

"It's been a great experience to serve on Gap Inc.'s board with Bob, Paul and so many other qualified directors; however, given eBay's recent acquisition and international expansion plans, I will need to devote additional time and resources to the eBay business," said Whitman, referring to Chairman Bob Fisher and CEO Paul Pressler.