Mr. Penn has been our Chief Executive Officer and President and has served as a member of our board of directors since August 2007. Mr. Penn is also the Executive Vice President of our Manager and a Vice Chairman of EMG, where he helps oversee many functions of the firm. Mr. Penn also serves on EMG 's Investment and Risk Management Committee. Mr. Penn also serves as Chief Executive Officer, President and a member of the Board of Trustees of EARN. Mr. Penn has also served as a Trustee of Ellington Income Opportunities Fund, a closed-end management investment company, since October 2018. In EMG’s earlier years, Mr. Penn was the senior portfolio manager primarily responsible for investments in Agency RMBS. Prior to joining EMG in 1995 shortly after its inception, Mr. Penn was at Lehman Brothers, where he was a Managing Director and co-head of CMO origination and trading, and where he specialized in the trading of CMO derivatives. Prior to trading CMOs and CMO derivatives, Mr. Penn was in charge of Lehman Brothers’ structured transaction modeling group from 1987 to 1990, where he was responsible for the structuring, modeling and computer system design for MBS and ABS, and where he was the co-creator (with Jonathan Amsterdam) of "BondTalk", the first high-level programming language specifically designed to model Collateralized Mortgage Obligations. Mr. Penn began his career at Lehman Brothers in 1984, after receiving a Master of Advanced Study in Mathematics from Cambridge University, where he studied as both a National Science Foundation Fellow and Winston Churchill Scholar. Mr. Penn graduated summa cum laude, Phi Beta Kappa with a B.A. in Mathematics from Harvard University in 1983. He was one of five winners nationwide in the 1980 Putnam collegiate mathematics problem-solving competition, and represented the United States in the 21st International Mathematics Olympiad held in London, England.