In April 2010, Jamie Reuben's family firm Reuben Brothers bought a stake in Metro Bank and, in October 2011, he was appointed as a non-executive member of the Board of Directors. In February 2015, Reuben resigned from the Board. In 2011, Jamie Reuben, on behalf of Reuben Brothers Limited, was the co-founder along with financier Andrew Danenza of the investment firm Melbury Capital, whose Advisory Board is chaired by David Reuben. In the 2012 London mayor election, Reuben served as chairman of Boris Johnson's re-election campaign committee. R…