David P. Mattern

James T. Meggesto is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. James T., who practices law in Washington, District of Columbia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James T. is held by other top lawyers in the same geographic and legal practice area.

David D. Rines is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. David D., 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 David D. is held by other top lawyers in the same geographic and legal practice area.

Todd Gustin is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Todd, who practices law in Rockville, Maryland, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Todd is held by other top lawyers in the same geographic and legal practice area.

Marcus Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marcus, who practices law in Vienna, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcus is held by other top lawyers in the same geographic and legal practice area.

James E. Croker, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. James E., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James E. is held by other top lawyers in the same geographic and legal practice area.

Lynn E. Calkins is the practice group leader for Holland & Knight's Washington, D.C. Litigation Group and serves on the firm's Directors Committee. Ms. Calkins is a trial lawyer and appellate advocate, concentrating in the defense of claims under the Fair Housing Act and Americans with Disabilities Act brought against real estate developers, hotels, retailers and local governments. In addition to this focus, she has handled numerous business and real estate disputes, zoning appeals, regul...

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.

Mr. Colten was born in New York City and has been a long-time resident of Virginia. After serving as Assistant Commonwealth's Attorney in Fairfax County for two years, Mr. Colten entered private practice in Northern Virginia. He was a founding member and principal of Surovell, Jackson, Colten & Dugan, P.C. and its predecessor and successor firms, prior to forming Colten | Watson | Vincent Law Group P.C. In 1965, Mr. Colten received his B.S. with a major in sociology from American Universi...

Lee G. Petro is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Lee G., 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 Lee G. is held by other top lawyers in the same geographic and legal practice area.

Michael House, a partner in the firm’s Business group, focuses his practice in international trade law. Michael advises and represents clients in all aspects of trade remedy investigations under U.S. antidumping, countervailing duty and safeguard laws, as well as on export licensing and export control matters. He also advises clients in bilateral and multilateral disputes before the World Trade Organization. Michael counsels clients on Customs issues involving import transactions includ...