Lynn Serpico rejoins Marsh in multinational roleFormer Aon executive Lynn Serpico has joined Marsh Risk as managing director and strategic adviser, multinational growth. The role is a newly created position, a Marsh spokeswoman said. Norwalk, Connecticut-based Ms. Serpico will report to Fabrice Lebourgeois, global head of client engagement. She most recently served as global chief client experience officer, enterprise clients, for Aon. Earlier in her career, she was a managing director in New York for Marsh from 2002 to 2008.