Headshot of Sean T. Hennigan, a Medford-based personal injury lawyer at Morgan & Morgan

Sean T. Hennigan

Trial Attorney

Biography Overview

Sean Hennigan was born and raised in Syracuse, New York. He received his Bachelor of Science from UMass Boston and earned his Juris Doctorate from the Massachusetts School of Law. Prior to joining Morgan & Morgan, Sean worked for a plaintiff's firm for 5 years and then opened his own law practice. Sean vigorously represents clients at all levels of the trial court. Now, Sean utilizes his prior experience and knowledge that he gained to obtain the compensation his clients deserve. Sean serves as the Clerk of the Wilmington Planning Board.

Practice Areas

Practice Areas (Pa hub, spoke, local)


  • UMass Boston
  • Massachusetts School of Law

Bar Admission

Bar Admission
  • Massachusetts 2014
  • U.S. District Court for District of Massachusetts 2015