Seán McCarthy co-founded Build America Mutual Assurance Company, the first mutual municipal bond insurer, in July 2012. Prior to that, he was President and Chief Operating Officer (COO) of Assured Guaranty (NYSE: AGO), following its acquisition of Financial Security Assurance (FSA) in July 2009. He was formerly President and COO of FSA. Mr. McCarthy joined FSA in 1988 as head ...