Arnie B. Mason

Williams Mullen

$ $$$

Greensboro Drive 8300
Tysons 22102 VA US

Arnie Mason can help with all phases of a construction project, including contract formation, advice, claims evaluation and preparation and litigation. He is well-versed in all forms of dispute resolution, including dispute review boards (DRBs), mediation and arbitration for clients who prefer to avoid litigation.

As a partner in Williams Mullen’s Construction practice group, he also prepares and negotiates construction contracts and joint venture agreements and prepares, analyzes and prosecutes or defends complex construction claims. He also advises clients on federal government construction contracts and state and private projects.

Of particular interest to some of our clients who may be facing investigation is Arnie’s extensive experience in the review and defense of False Claims Act allegations. He also can advise and assist with issues related to government contracts, small business contracting opportunities, the use of Disadvantaged Business Enterprises on federally-funded projects, and Mentor-Protégé Agreements.

Arnie joined Williams Mullen after practicing with Watt, Tieder, Hoffar & Fitzgerald for 11 years. Prior to that, Arnie held a judicial clerkship with the Honorable Stephen C. St. John of the United States Bankruptcy Court for the Eastern District of Virginia. He is a member of the board of governors for the Construction Law & Public Contracts Section of the Virginia State Bar.

Professional Affiliations:

  • Virginia State Bar – Board of Governors, Construction Law & Public Contracts Section
  • American Bar Association


  • College of William & Mary School of Law (J.D.), 2000
    • Kenneth G. Cumming Scholarship, Managing Editor, William & Mary Law Review
  • University of Virginia (B.A.), 1997


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Greensboro Drive 8300
Tysons 22102 VA US
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Lina Stillman

Broadway 42
New York 10006 NY US