About
John M. Vlassakis is a Senior Associate and Litigation Department Head at Joel H. Schwartz, P.C., where he has delivered aggressive representation for personal injury victims since 1986. Known for securing millions in compensation, he handles automobile accidents, workplace injuries, and Social Security Disability claims.
John holds a Juris Doctor from Suffolk University Law School (1988) and dual B.A. degrees in Management and Economics from the University of Massachusetts (1977). Admitted to the Massachusetts Bar and U.S. District Court in 1988, John applies decades of courtroom experience to each case he leads.
John has earned repeated recognition from SuperLawyers.com, being named a Top Rated Personal Injury Attorney for six consecutive years. His track record includes seven-figure outcomes in cases involving brain trauma, amputation, and negligent security. Clients benefit from his in-depth legal knowledge and assertive litigation strategies.
Beyond results, John is deeply involved in legal education. He has taught seminars for the Massachusetts Academy of Trial Attorneys, Greater Boston Legal Services, and Suffolk Law School. His focus on continuing legal education has helped shape industry standards for trial advocacy and injury compensation.
In addition to his trial expertise, John M. Vlassakis previously worked in the insurance sector as a claims supervisor and private investigator. This background gives him a unique edge when negotiating with insurers and building robust cases against well-defended claims.
A committed community advocate and seasoned trial attorney, Vlassakis is a member of the Massachusetts and Boston Bar Associations, the Massachusetts Academy of Trial Attorneys, and the American Trial Lawyers Association. His consistent courtroom success and dedication to justice make him a trusted leader in Massachusetts personal injury litigation.
Law Office Affiliations
- Senior Associate, Joel H. Schwartz P.C.
- Member, Massachusetts Bar Association
- Member, Boston Bar Association
- Member, Massachusetts Academy of Trial Attorneys
- Member, American Trial Lawyers Association
Licensed State
- Massachusetts
Education
- Suffolk University Law School
Juris Doctor (JD) - University of Massachusetts
BA in Management & Economics
Awards & Badges




- Car accident
- Construction and development
- Litigation
- Motorcycle accident
- Social Security & Disability
- Trucking accident
- Workers compensation