born in New York City Jamie Diamond grew up in a family of Bankers after graduating from Harvard he began his career at American Express and Rose to the ranks by helping build City Group before leaving due to a power struggle next he took over as CEO of Bank One successfully turning it around in 2004 when Bank One merged with JP Morgan Chase Di's leadership skills earned him the role of C oo and later CEO in 2005 he guided the bank through the 2008 financial crisis emerging as one of the few CEOs whose firm came out stronger cumulative shareholder returns under Jie's leadership have been greater than 300% surpassing his colleagues at other Banks and previous predecessors crowning him King of the banking industry