Thaddeus M. Lenkiewicz

Thaddeus M. Lenkiewicz Associate

P 617 670 8504 F 617 670 8704
125 High Street
Oliver Street Tower, 6th Floor
Boston, MA 02110
125 High Street, Oliver Street Tower, 6th Floor, Boston, MA 02110

Thaddeus M. Lenkiewicz is an associate with MG+M, whose practice focuses on complex civil litigation and appellate practice, including toxic tort, mass tort, construction defect and products liability defense. 

Bar Admissions
  • Massachusetts
  • New York
  • U.S. District Court - District of Massachusetts
  • U.S. Court of Appeals - 1st Circuit
  • Vanderbilt University Law School, J.D.
  • University of Notre Dame, B.A.

During his career, Thad has practiced as a civil litigator in both the public and private sectors, serving as a member of a well-established defense firm and as a special assistant attorney general for the Office of the Attorney General of Massachusetts. He has represented individuals, small businesses, national corporations, and state agencies in a variety of disputes, including general liability, civil rights, medical malpractice, construction, toxic tort, and class action litigation. He was recognized for his work at the Office of the Attorney General with a Commonwealth Citation for Excellence and as a member of the Government Bureau Top Litigation Team.

Thad graduated from the University of Notre Dame with a B.A. in history. He earned his law degree from Vanderbilt University Law School where he was a merit scholar and recipient of the Lightfoot, Franklin & White Award for brief writing and the Scholastic Excellence Award for Labor Law. Thad has also been recognized as a 2016, 2017 and 2018 Massachusetts "Rising Star" in the Civil Litigation: Defense category.

Thad resides in Boston and currently serves on the Board of Directors for Sophia Snow House/Roxbury Home for Aged Women.



  • Massachusetts Super Lawyers, Rising Star 2016-2018
  • AM Best Recommended Insurance Attorney
News & Insights
AM Best Recommended Insurance Attorney
Super Lawyers Rising Star