Before joining Reed Smith, Margaret was an associate with a West Coast AmLaw 500 firm. While there, Margaret defended large corporations, investor-owned public utilities, and property owners during all stages of litigation.

During law school, Margaret was an extern for the Hon. Maureen Tighe in the U.S. Bankruptcy Court, Central District of California, a Senior Editor of the Notre Dame Journal of Law, Ethics, & Public Policy, and studied at the Notre Dame London Law Centre.