During law school, Harriet was a summer intern at the U.S. Attorney's Office, Eastern District of Pennsylvania, and was certified as a mediator by the Philadelphia Municipal Court where she mediated landlord/tenant disputes and private criminal complaints.

Harriet completed law school through the Evening Division, while working full time as a Senior Vice President, Wealth Management at a trust company.  Prior to law school, Harriet worked in the financial services industry and worked as a Vice President and Branch Manager of a national broker-dealer.

Harriet joined Marshall, Dennehey, Warner, Coleman & Goggin in 2006 as an associate in the firm's King of Prussia office.  She is a member of the Health Care Practices Group.