Jillian T. Clark

Jillian Clark is a skilled and passionate attorney with a strong foundation in civil litigation and employment law. She joined Marshall Dennehey in March 2025 as an associate in the Casualty Department, where she handles a wide range of tort and employment matters.

Following law school, Jillian served as a civil and chancery law clerk to the Honorable Lisa Vignuolo at the Middlesex County Superior Court. In this role, she gained extensive experience with civil matters including tort, employment, and contract disputes. She also received thorough training in small claims mediations, further developing her ability to resolve disputes efficiently and effectively.

After her clerkship, Jillian joined a well-known insurance defense firm, where she worked on the employment team. There, she gained significant experience in motion practice, depositions, and honed her skills in handling complex employment matters.

Jillian earned her juris doctor from Seton Hall University School of Law in 2020. During her time there, she was an active member of the Mock Trial Team and, upon graduating, returned as a coach to mentor aspiring trial attorneys—sharing her advocacy skills and courtroom insight.

Jillian’s diverse legal background, strong writing and advocacy skills, and dedication to her clients make her a valuable asset to the Marshall Dennehey team.