Nelson Joosuk Chai (born 1965) is an American investment banker and financial executive. He formerly served as the chief financial officer of American financial services company Merrill Lynch and briefly as Bank of America's president for the Asia-Pacific region. He is the former president of CIT Group and reported directly to then CEO John Thain. On August 21, 2018, it was announced that Chai has been hired as the chief financial officer of Uber.