Lisa Mumford, the Chief Financial Officer of Ellington Residential Mortgage REIT retired from her position with the company on March 30, 2018. At the same time, Christopher Smernoff, the company's Controller, assumed the role of CFO, and JR Herlihy, the company's Treasurer, became the Company's Chief Operating Officer. Mr. Smernoff joined Ellington Management Group L.L.C. in January 2007 and has been the company's Controller since April 2013.

As the company's Controller, Mr. Smernoff is responsible for managing all aspects of the finance and accounting operations of the company. Mr. Herlihy joined Ellington in April 2011 and has been the company's Treasurer since May 2017. In addition, Mr. Herlihy has been the Treasurer of Ellington Financial LLC since May 2017.

Mr. Herlihy also served as EHR's Interim Chief Financial Officer from March 2015 through January 2016.