The daughter of Wal-Mart co-founder, Sam Walton (d. 1922), Alice Walton is worth USD 23.3 billion as of March 2012 with Wal-Mart being her source of wealth. Her father, a formal clerk, founded original Bentonville store with his brother James. Today Wal-Mart has sales of USD 405 billion, employing more than 2.1 million people.