Simon Letort ( pictured ) has succeeded Hubert Le Liepvre as head of financial engineering for Societe Generale in the Americas. In his new role, Letort reports to Francois Barthelemy, head of global markets for the Americas and Marc Saffon, global head of engineering for the French bank. Le Liepvre left SG to "pursue other opportunities", according to sources. Le Liepvre was most recently head of engineering for the bank in New York, although had moved back to the Paris office earlier this yea