Redwood Trust, Inc. announced that Karen R. Pallotta has joined its Board of Directors. Ms. Pallotta was employed at Fannie Mae for more than 20 years until her retirement in 2011. At Fannie Mae she served in various leadership roles, most recently as Executive Vice President of its Single Family Credit Guaranty business, a role she assumed during the height of the financial crisis and subsequent to Fannie Mae's government conservatorship.