Mark Hallam was born in Washington, DC and raised in its suburbs. He graduated from the now-defunct Charles W. Woodward High School in Rockville, MD. Mark graduated Cum Laude from Princeton University where he played rugby and was a member of the University Cottage Club.
After several years in banking, he went to work in 1984 for his father, John Hallam, in the family business, Ceilings and Partitions, Inc., which for many years was a major area commercial drywall and acoustical ceiling contractor. Mark went on to own and run the company until January of 2021, when he joined forces with Rock Spring Contracting. At Rock Spring, Mark helps manage its Tate Access Floor business with an emphasis on estimating and project management.
Mark has been married to his wife, Margaret, since 1985 and they have raised three children, Matthew, Andrew, and Caroline. Mark and Margaret have lived in the District of Columbia since 1983 and currently reside in the Barnaby Woods neighborhood of DC. Mark enjoys golf, fishing, and reading. He is a lifelong fan of the Washington Football Team, and also enjoys rooting for the Nationals and Capitols.