Ken Lewis, who had lost the title of Chairman of the Board, announced that he would retire as CEO effective December 31, 2009, in part due to controversy and legal investigations concerning the purchase of Merrill Lynch. Brian Moynihan became president and CEO effective January 1, 2010, and afterward credit card charge offs and delinquencies declined in January. Bank of America also repaid the $45 billion it had received from the Troubled Assets Relief Program.[31][32]