Samantha Peters

Louis Mazawey brings decades of experience as an authority on the tax aspects of employee benefits in all forms to his work at Groom. As counsel to major insurance companies and a variety of plan sponsors—including corporate employers, trade associations, and public retirement systems—Lou has worked closely with qualified plans, 403(b) and 457 plans, IRAs, employee stock ownership plans, executive compensation, retiree medical benefits, plan terminations, mergers and spinoffs, the...

John Parker Sweeney has more than 30 years of experience defending major class action and mass torts involving product liability and warranty, consumer protection, environmental, and toxic tort cases, allowing him to tailor an appropriate litigation response for any company to resolve "bet-the-company" risks. He regularly serves as national litigation counsel, creating and supervising comprehensive defense strategies in class action and mass tort cases across the country, most recently sweepi...

Matt Perushek has practiced personal injury law his entire career. He exclusively represents plaintiffs, those who were injured because of the negligence of others. He has represented clients in wrongful death, medical malpractice, brain injury, products liability, and serious automobile collision cases. Matt has tried cases in courts throughout Virginia, including Fairfax, Arlington, Prince William, Loudoun, Henrico, and Fredericksburg. Matt also has experience representing clients in federa...

Adam M. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. Adam M., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adam M. is held by other top lawyers in the same geographic and legal practice area.

Natalia C. Wilson is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Natalia C., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Natalia C. is held by other top lawyers in the same geographic and legal practice area.

Robert D. Rosenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law and Transportation Law. Robert D., 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 Robert D. is held by other top lawyers in the same geographic and legal practice area.

Brian has been an energy regulatory practitioner for more than two decades, with a focus on Federal Energy Regulatory Commission (FERC) regulation under Part II of the Federal Power Act (FPA), the Public Utility Regulatory Policies Act of 1978, and the Public Utility Holding Company Act of 2005. Brian’s legal experience extends to almost all aspects of federal regulation of the electric industry, including cost-of-service and market-based rates, open access transmission rules and polici...

William C. Sjoberg is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. William C., 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 C. is held by other top lawyers in the same geographic and legal practice area.

Brian S. Wood is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Brian S., who practices law in Tysons, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian S. is held by other top lawyers in the same geographic and legal practice area.

John Partigan is known for his extensive experience in public and private company mergers and acquisitions, joint ventures and strategic alliances, capital markets transactions, and corporate governance. He is the team leader of the firm’s national Securities practice. My focus My focus is on helping our clients achieve their goals, by efficiently and effectively structuring and executing on transformative transactions, including acquisitions, dispositions, debt or equity financings, in...