Margo H.K. Tank

John J. Heitmann is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. John J., who practices law in Washington, District of Columbia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John J. is held by other top lawyers in the same geographic and legal practice area.

Nicholas D. SanFilippo serves as a first chair trial lawyer representing employers in actions involving restrictive covenants, employment contracts, the Uniform Trade Secrets Act, and tort claims, including defamation, conversion, wrongful discharge, conspiracy, and tortious interference. He advises management on employment issues related to termination, hiring, reduction in force, restrictive covenants, employment agreements, discipline, and handbooks. Nick represents closely-held businesses...

Through his years of experience representing companies of all sizes at a large international law firm, TJ Wilkinson developed a keen business acumen that helps him view transactions holistically, allowing him to guide clients’ day-to-day decisions from a broad perspective and promote the overall financial health of their enterprise. Working with clients across industries, ranging from startups to mature businesses, TJ applies his depth of knowledge in taxation and his comprehensive busi...

Sol Wisenberg has four decades of experience serving as lead counsel in complex federal white-collar investigations and jury trials. He represents individuals and businesses facing federal criminal, regulatory, and civil exposure, including matters involving parallel proceedings, fraud-related allegations, and federal sentencing. A substantial part of Sol’s practice focuses on helping clients reduce criminal exposure and avoid indictment during government investigations, civil litigatio...

Marc S. Lampkin is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Marc S., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc S. is held by other top lawyers in the same geographic and legal practice area.

Donald R. McMinn litigates a variety of complex civil matters. He has considerable experience defending clients involved in MDL proceedings, from the petition for MDL status through the trial or settlement of “bellwether” plaintiffs. He leads both Firm attorney teams and local counsel teams in implementing a unified and consistent strategy across multiple jurisdictions in which simultaneous litigation is proceeding. He conducts depositions, develops expert testimony concerning cau...

For more than 15 years, Leigh has been helping families and individuals navigate matters that include divorce, custody, visitation, spousal support, child support, property division and protective orders. She represents clients throughout Northern Virginia in all aspects of domestic relations litigation. While litigation is a fundamental aspect of her practice, the majority of her cases settle outside of court. It is Leigh’s goal to help clients reach an agreement in the most efficient ...

Kristen Klesh is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Kristen, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristen is held by other top lawyers in the same geographic and legal practice area.

James A. Kearns is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law. James A., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James A. is held by other top lawyers in the same geographic and legal practice area.

William E. Fork is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. William E., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William E. is held by other top lawyers in the same geographic and legal practice area.