European property firm Hammerson announced it would undertake several changes within the ranks of its senior management.As previously announced, John Hirst - who had worked for the company since 2004 - would stand down as Non-Executive Director and as Chairman of the audit committee. In his place, Hammerson had elected Jacques Espinasse, who had joined the board in 2007. In parallel, Anthony Watson, who was planning to retire from the board at the conclusion of the Annual General Meeting in 2015, was to step down as Chairman of the remuneration committee.Gwyn Burr would substitute Watson at his post on the remuneration committee. As of 12:21 the share price had risen by 4.51% to 568.00p.WS