Sanford I. Weill (Sandy Weill) is a banker, financier, and philanthropist. He served as CEO and chairman of Citigroup Inc. until October 1, 2003 and April 18, 2006 respectively. He is a billionaire with an estimated net worth of $1.5 billion.
Weill was born in Brooklyn, New York to Polish-Jewish immigrants. He attended Cornell University and started working at Bear Stearns on Wall Street. After familiarizing himself with the investment business, Weill was ready to take a plunge on his own. In May 1960, Arthur Carter, Roger Berlind, Peter Potoma, and Weill formed Carter, Berlind, Potoma & Weill. In 1968, the firm became Cogan, Berlind, Weill & Levitt. Weill served as the firm's Chairman from 1965 to 1984, a period in which it completed over 15 acquisitions to become the country’s second largest securities brokerage firm. After a few more mergers, the company became known as Shearson Loeb Rhoades. In 1981, Weill sold Shearson Loeb Rhoades to American Express for about $930 million in stock. In April 1998, Weill orchestrated a $76 billion merger between Travelers Group and Citicorp. He was given the CEO and chairman positions at Citigroup until 2006.
Source: Sandy Weill Bio, Wikipedia