Rob joined Walmart in 1969. Prior to becoming chairman, he held a variety of positions with Walmart, including senior vice president, corporate secretary, general counsel and vice chairman. Before joining Walmart, Rob was a partner with the law firm of Conner & Winters in Tulsa, Okla. He is currently involved with a number of nonprofit and educational organizations, including Conservation International, where he serves as chairman of the executive committee, and the College of Wooster, where he is an Emeritus Life Trustee.