David A. O'Neil

John E. Byrnes has been practicing exclusively in the area of family law since 1996. He practices in all of the northern Virginia circuit courts and juvenile and domestic relations district courts as well as the Virginia Court of Appeal. While most matters are amicably resolved thorough negotiation or mediation, John has extensive litigation experience. During his career, John’s practice has covered virtually every aspect of family law, from: complex equitable distribution matters invol...

Adam S. Caldwell is a lawyer recognized by Best Lawyers in the practice area of Communications Law. Adam S. practices law in Washington, District of Columbia Best Lawyers has recognized Adam S. Caldwell 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 Adam S. Caldwell is held by other lawyers.

Eugene Degnan is Of Counsel in the firm’s International Trade practice. Mr. Degnan routinely counsels clients on all aspects of international trade law with a particular focus on anti-dumping duty and countervailing duty law, global trade policy, global trade litigation, export controls and sanctions, and customs. Mr. Degnan has considerable expertise in a variety of industries, including steel, heavy and lightweight manufacturing equipment, agriculture, specialized consumer products, a...

Kyle Kirby is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Kyle practices law in Potomac, Maryland Best Lawyers has recognized Kyle Kirby since 2027. 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 Kyle Kirby is held by other lawyers.

Scott Simmer founded the Simmer Law Group in Washington D.C., in 2014, but he’s been practicing law for decades and is a seasoned expert at rooting out deceit and fraud in hidden corners of government programs, education, and healthcare industries. Joining with Baron & Budd in 2018 to form our Washington D.C. office, Mr. Simmer continues to represent whistleblowers bringing qui tam cases of fraud under federal and state False Claims Acts as well as IRS, Securities and Exchange Commi...

James P. Bobotek is a lawyer recognized by Best Lawyers in the practice areas of Construction Law and Insurance Law. James P. practices law in Tysons, Virginia Best Lawyers has recognized James P. Bobotek 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 James P. Bobotek is held by other lawyers.

Universally considered to be among the country's premier Supreme Court and appellate advocates, Seth Waxman served as Solicitor General of the United States from 1997 through January 2001. In addition to leading the firm's appellate practice, Mr. Waxman engages in a broad litigation and counseling practice, with particular emphasis on complex challenges involving governments or public policy, intellectual property, regulatory, criminal and commercial issues.

Victor E. Long is a Partner in the Washington, D.C. litigation law firm of Regan Zambri Long PLLC and limits his practice to representing injured clients in medical malpractice, automobile, wrongful death and other serious personal injury cases. Mr. Long is board-certified in Civil Trial Advocacy by the National Board of Trial Advocacy and is licensed to practice in the District of Columbia and Maryland. Prior to entering private practice, Mr. Long was a trial attorney in the U.S. Department ...

Debra Powers is a lawyer recognized by Best Lawyers in the practice area of Family Law. Debra practices law in Fairfax, Virginia Best Lawyers has recognized Debra Powers since 2022. 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 Debra Powers is held by other lawyers.

David A. Rosenberg is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. David A. practices law in Washington, District of Columbia Best Lawyers has recognized David A. Rosenberg 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 David A. Rosenberg is held by other lawyers.