Erin started her career as an aide in the Massachusetts House of Representatives. In this role Erin acted as liaison to citizens, lobbying groups and House members, as well as honed her professional research and writing skills. Moving next to the position of Committee Researcher and ultimately to Chief of Staff, Erin managed constituent services, media relations, speech writing and review of legislative proposals. In all, she worked in the House from 1993-1998.

Entering the corporate realm, Erin became a Public Affairs Associate at Liberty Mutual's Corporate Legal Division in Boston. In this role, she managed the political events program, the political action committee (LibertyPAC) and grassroots education program. Further, she was administrator for the public affairs intranet and extranet sites and databases of employee resources and public affairs content management. She became a senior associate after two years and grew the events and grassroots program significantly for the corporation until 2002.

Erin now performs the following in the law office of Attorney Yannetti: client services, research and writing and web site management.