About
John J. Sheehan is the founder and managing attorney of the Law Office of John J. Sheehan, LLC, where he represents injured workers and accident victims across Massachusetts. His practice focuses on workers’ compensation, auto accidents, construction accidents, and workplace injuries. Sheehan has represented injured clients since 1993, helping them pursue benefits and compensation after serious harm. He advocates for clients in court and before the Massachusetts Department of Industrial Accidents with responsive, practical legal guidance.
Sheehan earned a B.A. from St. John’s Seminary College of Liberal Arts and a J.D. from Suffolk University Law School. He completed law school in 1993 and was admitted to the Massachusetts state bar that December. His education prepared him for litigation, analysis, client counseling, and advocacy. That academic foundation supported his early work as an associate attorney and later his long-term focus on workers’ compensation and personal injury matters throughout Massachusetts for injured clients.
Sheehan worked as an associate attorney at the Law Offices of Sherwin L. Kantrovitz, Rainer & Rainer, and Shapiro & Associates. From 1999 through 2006, he represented injured workers and accident victims as a founding partner of Georgiou & Sheehan. In 2007, he founded the Law Office of John J. Sheehan. His career has centered on helping clients secure workers’ compensation benefits, settlements, and fair compensation after workplace injuries and accidents caused by negligence today.
John J. Sheehan has received an AV Preeminent Rating from Martindale-Hubbell, its highest Peer Review Rating. He is admitted in Massachusetts, the US District Court for Massachusetts, and the First Circuit Court of Appeals. His memberships include the American Association for Justice, Massachusetts Academy of Trial Attorneys, and Massachusetts Bar Association. With decades of practice, he helps injured people understand their rights, resolve insurer disputes, and pursue fair outcomes through negotiation, hearings, and litigation.
Law Office Affiliations
- Founder, Law Office of John J. Sheehan, LLC
- Member, Massachusetts Bar Association
- Member, American Association for Justice
- Member, Massachusetts Academy of Trial Attorneys
Licensed State
- Massachusetts
Education
- Suffolk University Law School
Juris Doctor (JD), 1993 - St. John’s Seminary College of Liberal Arts
Bachelor of Arts (BA)
Awards & Badges




- Car Accidents
- Personal Injury
- Slip & Fall Accidents
- Trucking Accidents
- Workers' Compensation
- Wrongful Death





