Chris Arco has joined MSL from FCB Health where he was SVP, Director, Client Finance.   Chris works with finance teams across MSL U.S. to manage the financial operations of the agency and oversees the operationalization of the single P&L.  Prior to FCB Health, he was a Finance Manager at Ogilvy & Mather and an analyst at both Hildebrand International and Morgan Stanley.   Arco reports to Ron Guirguis, U.S. CEO and is a member of the new MSL U.S. Executive Team.