David A. O'Neil

Gifford R. Hampshire is a lawyer recognized by Best Lawyers in the practice area of Litigation - Land Use and Zoning. Gifford R. practices law in Manassas, Virginia Best Lawyers has recognized Gifford R. Hampshire since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Gifford R. Hampshire is held by other lawyers.

Mary Ann Mancini's practice focuses on advising high net worth families and individuals who reside in the United States and internationally. Her clients include leaders of Fortune 100 companies and their families, as well as families whose wealth is more privately held and, in many cases, based on real estate ownership. Mary Ann counsels her clients on all matters that affect their estates, including the structuring and formation of entities, the creation of irrevocable “dynasty” ...

Becki Young, Partner, is a seasoned business immigration attorney with 20 years of experience in the field. She has represented more than 100 of the world's most prominent hotels and restaurants, and facilitated the sponsorship of foreign professionals, trainees, interns and individuals of "extraordinary ability." In addition to her hospitality practice, Becki regularly provides immigration law advice to clients in a broad range of industries, including investment banking and securities, info...

Joe G. Hollingsworth is a nationally renowned courtroom advocate who specializes in trials and appeals and leads a practice of more than eighty-five attorneys. He was named three times for National Law Journal’’s “Top Ten Defense Wins of the Year”. He has conducted over 25 jury trials, appeared in over 40 states, and argued in 9 U.S. circuits and 8 state supreme courts. Mr. Hollingsworth first-chaired defense verdicts for Novartis Pharmaceuticals in the first and secon...

Randall Rich is the partner-in-charge of the Washington, DC office. Throughout his over 40 years of experience, beginning in the Office of General Counsel of the Federal Energy Regulatory Commission (FERC) and continuing for more than 23 years at the DC office of a large Texas law firm, Randy always strives to form close personal bonds with clients as well as trusting relationships with both regulators and his colleagues in the energy bar. He gains an intimate understanding of the business an...

Mark L. Whitaker is a lawyer recognized by Best Lawyers in the practice area of Litigation - Intellectual Property. Mark L. practices law in Washington, District of Columbia Best Lawyers has recognized Mark L. Whitaker since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark L. Whitaker is held by other lawyers.

Alice Ahearn is a Partner at Eris Law Group. She guides family law clients through one of the most difficult times in their lives to emerge optimistic about the future. Alice excels at solving contentious and complex child custody problems, including relocation cases. She is also adept at resolving divorces with complicated financial issues, including business and stock valuations, the division of marital interest in a business, and spousal support. Her clients include professionals, physicia...

Mark J. Plumer is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Mark J. practices law in Washington, District of Columbia Best Lawyers has recognized Mark J. Plumer since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark J. Plumer is held by other lawyers.

Clients turn to David Kochanski when they require practical and cutting edge approaches to efficiently and economically achieve their business objectives. Clients hire him for their complex real estate transactions because he is not only a recognized leader within the field, but also because he is not afraid to make unconventional suggestions that he can back up with solid legal and business rationale. David’s clients trust his judgment and have confidence in his advice. David’s a...

Stephen L. Braga is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Criminal Defense: General Practice, Criminal Defense: White-Collar, Legal Malpractice Law - Defendants, Litigation - Regulatory Enforcement (SEC, Telecom, Energy) and Litigation - Securities. Stephen L. practices law in Washington, District of Columbia Best Lawyers has recognized Stephen L. Braga since 2006. The Best Lawyers recognition is based on a peer-review survey of lawyers in the sam...