While in law school, Erin served as an intern to the Honorable Frederick H. Weisberg in the Superior Court for the District of Columbia, and in the Appellate Division of the United States Attorney's Office for the District of Columbia. Prior to attending law school, Erin was a paralegal specialist at the United States Attorney's Office for the Central District of California, during which she was awarded the 2009 Executive Office for United States Attorneys Director's Award.