Niall Booker will be leaving his position as CEO and group managing director of NSBC North America Holdings. He worked at the firm for more than three decades and was key in business development in India as well as impacting business in North America. Booker will be replaced by HSBC Bank USA’s president, CEO and group general manager, Irene Dorner on November 1, 2011. In her new capacity, Dorner will be in charge of America’s HSBC Finance businesses as well as HSBC Bank, reporting to Stuart Gulliver, HSBC Group CEO.