Jack is passionate about guiding people through some of the most difficult experiences of their lives. Whether facing criminal charges, suffering injuries from motor vehicle accidents or other negligent actions, or being injured on the job, he tirelessly advocates for his clients’ rights. He understands the turmoil that legal issues can cause for individuals and their families, and he provides customized guidance to help his clients understand the laws, their rights, and their options. He strives to achieve the best possible outcomes for those he represents, earning him an Avvo “Superb” rating.

His extensive community involvement includes assisting with moot court trial teams and serving as past President of the Baltimore County Bar Association, where he served on the board for 12 years. Additionally, he has been the Finance Chair for the Baltimore County Sitting Judges Committee for 12 years. An avid outdoorsman, Jack enjoys fishing on the Chesapeake Bay, sitting in a duck blind, or catching rainbow trout in Taupo, New Zealand. His favorite pastime is traveling with his family and exploring new countries.

John Grason Turnbull III continues to uphold his family’s legacy of legal excellence, combining his dedication to his clients and the community with his passion for the law.

John Grason Turnbull III, affectionately known as Jack, is a seventh-generation Baltimore attorney with a rich family history of public service, including six generations of judges. Growing up on a farm in Sparks, Maryland, he attended St. Paul’s School for Boys and later, Gettysburg College, where his passion for history flourished. Even today, Jack can often be found reading historical fiction and spy novels.