One Beacon Street
Suite 1320
Boston, MA 02108

T 617.720.5090
F 617.720.5092


One Richmond Sq.
Suite 165W
Providence, RI 02906
T 401.454.0400
F 401.454.0404

Matthew McDonnell

Practice Area:Litigation

Matthew McDonnell is an associate with Barrett & Singal’s Litigation practice. His practice focuses on representing individuals and businesses in complex civil litigation and white-collar criminal matters in state and federal court.

Matt has been involved in representing individuals and businesses in civil disputes involving breaches of contract and fiduciary duties, various torts including negligence and invasion of privacy, and alleged civil rights violations. He has also helped defend individuals and business entities during the course of state and federal investigations related to fraudulent business and healthcare practices.

Professional Background

Prior to joining Barrett & Singal as an associate, Matt served as a legal intern at the Massachusetts Securities Division and a compliance intern at the Harvard Management Company. Matt received his M.B.A. as part of a dual-degree program at Northeastern University, during which time he served as the Chief Compliance Officer for the 360 Huntington Fund, a student-run mutual fund. During law school, Matt also worked as a law clerk for the firm’s Litigation Group, in addition to working as a law clerk at two other law firms in Boston.


Northeastern University School of Law, J.D., 2018
D’Amore-McKim School of Business, M.B.A., 2018
Loyola University Maryland, 2014, magna cum laude

Court / Bar Admissions


Service Areas

Complex business and commercial litigation; Business torts and contract disputes; Employment disputes and litigation; White collar criminal and regulatory defense; Government and internal investigations


Corporations and Small Businesses; Professional Services; Non-Profit Organizations; Hospitals and Healthcare Providers

Off the Record …

Matt is known for his love of cooking, including making pickles and handmade pasta.



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