American banker, financier, and philanthropist Sanford “Sandy” Weill has an estimated net worth of $1 billion as of 2015, according to Forbes. Born in New York City, New York in March 1933. He attended and earned his degree from Cornell University and got his first job in 1955 working at Wall Street with Bear Stearns. Weill later became a licensed broker following his starting out as a runner. In 1960 he co-established the company Carter, Berlind, Potoma & Weill which was finally changed to Shearson Loeb Rhoades; however, he sold the company to American Express in 1981 for a fee estimated at $930 million in stock and served as president of American Express Co. Five years later, he invested $7 million of his own money and became CEO of Commerical Credit. Weill then went on to pay $1.5 billion for Primerica in 1987 and $722 million for a 27% share of Travelers Insurance in 1992. From 1998 to 2003 he served as a chief executive at Citigroup and from 1998 until 2006 he was a chairman for the firm. As a philanthropist Weill has contributed a large amount of money to education, music, and medicine.