Sportswear and footwear giant Nike Inc on Tuesday announced the appointment of Walmart.com chief executive officer, Jeanne P Jackson, to the company's 12-strong board of directors. Jackson, 50, joined Walmart.com in March of last year after having served as president and CEO of Banana Republic, a division of Gap Inc. She also led the Gap Inc direct division, which managed all non-store-related businesses including the Banana Republic Catalogue and the Internet sites for all three Gap brands: Gap, Banana Republic and Old Navy.