LCH Clearnet appoints non-executive chairman

London-based clearing house LCH.Clearnet has appointed Jacques Aigrain as non-executive chairman, replacing Chris Tupker, who has been in the role since July 2006. Aigrain joins from reinsurer Swiss Re, where he had worked since 2001, most recently as chief executive. He previously spent 19 years with JP Morgan Chase. Aigrain is due to start in LCH.Clearnet's London office on April 6.