Stephen Donnarumma is a senior managing director and chief credit officer for the Assured Guaranty companies, with responsibility for overseeing the underwriting process. Mr. Donnarumma joined Assured Guaranty in 1993 and was previously the managing director of the Mortgage and Asset-Backed Securities Group. He has also served as the chief underwriting officer and chief operating officer of Assured Guaranty Mortgage Insurance Company, chief operating officer of Assured Guaranty Re Ltd., and chief risk officer of Assured Guaranty Inc. 

Previously, Mr. Donnarumma served as vice president, structured finance, at Financial Guaranty Insurance Company and as director of Credit Risk Analysis in the Credit Policy Division at Fannie Mae. He began his career as an analyst for Moody's Investors Service.

Mr. Donnarumma received an M.B.A. from The Stern School of Business at New York University. He has a B.S. from the Wharton School of the University of Pennsylvania.