Nelson Chai is the former Chief Financial Officer at Bank of America Merrill Lynch & Co. Prior to the merger of NYSE and Archipelago, Mr. Chai, 41, was the Chief Financial Officer of Archipelago since June 2000. Prior to joining Archipelago in June 2000, Mr. Chai was Senior Vice President of Business Development and a member of the Executive Committee of Dade Behring, Inc., a leading manufacturer of medical diagnostics products. He joined Dade Behring in 1997 as Corporate Vice President of Worldwide Field Finance, where he was responsible for the finance organization for all company business operations.