Ms. Mumford served as our Chief Financial Officer ("CFO") and as the CFO of Ellington Financial Management LLC, our external manager, from October 2009 through her retirement in March 2018. Ms. Mumford also served as the CFO of Ellington Residential Mortgage REIT ("EARN") from April 2013 until her retirement in March 2018. As our CFO, and as CFO EARN, Ms. Mumford managed all aspects of the accounting, internal control, and financial reporting processes. From August 2008 to October 2009, Ms. Mumford was CFO of ACA Financial Guaranty Corporation, or "ACA FG", where she oversaw all aspects of the finance and accounting operations. From 2003 until August 2008, Ms. Mumford served as the Chief Accounting Officer of ACA Capital Holdings, Inc., or "ACA", of which ACA FG was an operating subsidiary. Prior to joining ACA, and beginning in 1988, Ms. Mumford was with ACE Guaranty Corp., where over her tenure she held the positions of Chief Financial Officer and Controller. She began her career as a staff accountant with Coopers & Lybrand in 1984, culminating in the role of Audit Supervisor at the time of her departure in 1988. Ms. Mumford is a member of the American Institute of Certified Public Accountants and holds a B.B.A. in Accounting from Hofstra University.