Simon was appointed Chief Executive in May 2012 after joining 3i in October 2011 as Chief Investment Officer. Chair of the Group's Risk Committee, Executive Committee and Investment Committee. Chair of
the Supervisory Board of Peer Holding I B.V., the Dutch holding company for the Group’s investment in Action. 

Prior to joining 3i, Simon was Chair of Greenhill & Co International LLP, having previously been Co-Chief Executive Officer of Greenhill & Co. Inc. Before founding the European operations of Greenhill & Co, he was the Managing Director of Baring Brothers International Limited. Formerly a non-executive director of the British Land Company PLC and Inchcape plc. 

Simon has a law degree from London University and an MBA from London Business School.