Citigroup Inc., commonly known as Citi, is a multinational investment bank and financial services corporation headquartered in New York City, United States. Founded by Sanford Weill in 1812 as the City Bank of New York, it later became the First National City Bank of New York. Citigroup was formed in 1998 through the merger of Citicorp and Travelers Group, creating one of the world's largest financial services organizations.
Key aspects of Citigroup include: