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Mark G. Giannotti


(973) 549-2590
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Florham Park
18 Columbia Turnpike
Suite 220
Florham Park, NJ 07932

Three Logan Square
1717 Arch Street
Suite 610
Philadelphia, PA 19103


J.D., Duquesne University, 2005

Dual B.A., cum laude, Criminology and Spanish, Indiana University of Pennsylvania, 2000


Mark Giannotti is a Partner with GRSM. Mark is an experienced trial attorney who defends his clients in various civil litigation including medical and healthcare litigation, professional liability, and complex civil litigation. He regularly defends hospitals, medical entities, long-term care facilities, surgical centers, physicians, nurses and medical providers in claims of malpractice. He has significant experience representing clients in catastrophic bodily injury, construction defect and casualty cases. Mark has tried roughly 60 cases to verdict and expands our deep bench of aggressive trial attorneys.

Following law school, he served as an Assistant District Attorney for nearly a decade working in both York County and Lackawanna County District Attorney’s office. In 2008, he was promoted to the head of the Special Victims Unit in York County. During the course of his employment in the public sector, he conducted numerous jury trials while being assigned to the Special Victims Unit, Arson Unit, Felony Drug/Gang Unit, and Insurance Fraud Division.

Mark lives in Montgomery County, Pennsylvania with his wife, Elizabeth, and their five children.


  • Pennsylvania
  • U.S. Court of Appeals, Third Circuit
  • U.S. District Court, Middle District of Pennsylvania


  • Lackawanna County Bar Association

*Not licensed in New Jersey