Brian Mooney is a retired options trader on bonds, - also known as trading options on interest rates - working 24 years at Goldman Sachs. Goldman Sachs is one of the largest global investment banks and financial services companies that offers a range of services to corporations, governments, financial institutions, and individuals. He later moved to Merrill Lynch Bank of America - the second largest investment bank in the world - and worked there for 12 years before his recent retirement. During the 2008 financial crisis, Bank of America acquired Merrill Lynch, which provides a broad range of brokerage, investment advisory, and other services.