Bob Diamond, American-English banker and businessman

Robert Edward Diamond, Jr. is an American banker and former chief executive officer of Barclays plc. In 2010, he became its president and deputy group chief executive; and in January 2011, succeeded John Varley as group chief executive of Barclays.Diamond resigned as chief executive of Barclays after a Bank of England hearing on July 3, 2012, following controversy over manipulation of Libor interest rates by traders employed by the bank.