Mark D. Eastburn joined Eastburn and Gray in 2018 where he practices in the areas of criminal law, litigation, real estate, land use and zoning, and municipal law.

Between 2015 and 2018, Mark served as an Assistant District Attorney for the Bucks County District Attorney’s Office. While working for that office, Mark prosecuted felony and misdemeanor cases as they progressed through the criminal justice system, often concluding with a trial before a jury or judge. Mark served as Chief of the Accelerated Rehabilitative Disposition (“ARD”) program, which diverts first-time non-violent offenders from the criminal justice system. Mark was also a member of the Economic Crimes Unit, where he specialized in prosecuting white collar crime, including high value thefts and home improvement fraud.

Mark’s criminal defense practice utilizes his experience from his service in the Bucks County District Attorney’s Office. He routinely represents clients in civil and commercial litigation matters.


Mark is a member of the Bucks County Bar Association and the Pennsylvania Bar Association.

Bar Admission

Mark is admitted to practice law in Pennsylvania and New Jersey.


Mark received his law degree from St. John’s University School of Law in New York and his B.A. in Economics from Fairfield University in Connecticut.

Honors and Awards

St. John’s Law Pro Bono Service Award Recipient for completing over 500 pro bono hours.

Clerkship Experience

Between 2014 and 2015, Mark served as a judicial law clerk to the Honorable Jeffrey L. Finley, President Judge of the Bucks County Court of Common Pleas.

Volunteer and Community Work

Since 2015, Mark has been a member of the Bucks County American Inns of Court.

Personal Data

Mark is a native of and presently resides in Doylestown. He is a grandchild third removed from the founder of Eastburn and Gray. His father, Rod, is the President and Chief Operating Officer of the firm. When he is not practicing law, he enjoys running, skiing, and playing basketball.