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Chief Financial Officer since June 2007. Prior to joining O&M, Mr. Bierman served as a private consultant. From 2000 to 2004, he was Corporate Executive Vice President & Chief Financial Officer of Quintiles Transnational Corporation, a company he joined in 1998. Prior to that, Mr. Bierman was, from 1988 to 1998, a partner at Arthur Andersen LLP. He joined Arthur Andersen in 1976. | 