<strong>Ernst &amp; Young</strong><br />John Harley has been appointed as global private equity leader at the accountancy firm, having joined in 2000 to lead its technology, communications and entertainment corporate finance practice.<br /><br />Harley, who is currently head of private equity for Europe, the Middle East, India and Africa at the firm, is also leading the E&amp;Y response to proposed European Commission regulation of the sector.<br /><br /><strong>Execution </strong><br />Ed Stacey has joined the agency broker&rsquo;s research team as an analyst covering aerospace and defence.<br /><br />Stacey joins from HSBC, where he was an analyst specialising in aerospace and defence and capital goods, covering companies including Rolls-Royce and BAE Systems. Prior to that, he was an analyst at Soci&eacute;t&eacute; G&eacute;n&eacute;rale.<br /><br /><strong>Lombard Risk</strong><br />The trading software firm has appointed Keith Butcher as its new finance director, effective from 1 September.<br /><br />Butcher, 46, was previously finance director at Aim-listed technology firms Flomerics and DataCash.<br /><br /><strong>RBC Capital Markets</strong><br />The investment bank has hired Marc Fleischman as a managing director and head of European hedge fund sales.<br /><br />Fleischman joins from Citigroup, where he was a managing director.