William Cumming, former European head of Citis global special situations group (GSSG), is on the move again. He has quit Citi for rival RBS, joining the UK banks private equity division in New York. Cumming moved to Citis GSSM just over a year ago in April 2006. Before that he had been co-head of the banks European securitization business with David Basra since 2004. In his new role Cumming will be working alongside Lindsay McMurray, who rejoined...