Emily Cain served in the Maine Senate from 2012 to 2014. She was previously a member of the Maine House of Representatives from 2004 to 2012, where she served as Minority Leader from 2008 to 2010 and as House Chair of the Appropriations & Financial Affairs Committee from 2010 to 2012.

Cain attended the University of Maine and has lived in Orono since 1998. She received her Bachelor of Music Education in 2002, graduating with highest honors from the UMaine Honors College. In 2004, Cain graduated from Harvard University, receiving her Master of Education in Higher Education. As of 2017, she was pursuing a Ph.D. in Public Policy from the University of Maine

On June 15, 2017, Cain was hired as the executive director for EMILY’s List, a national organization which works to support pro-choice Democratic women running for elected office.