Mark A. Johnston

Kirsten Grüneberg is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Patent Law. Kirsten, 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 Kirsten is held by other top lawyers in the same geographic and legal practice area.

Jessica Summers is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Labor and Employment. Jessica, who practices law in Bethesda, Maryland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jessica 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...

Arianna Evers helps clients navigate privacy, cybersecurity and artificial intelligence (AI)-related challenges in an increasingly complex and fluid legal environment. Ms. Evers represents clients in high-stakes enforcement actions with regulators, including the Federal Trade Commission (FTC), state attorneys general, and the US Department of Health and Human Services Office for Civil Rights (HHS-OCR), as well as in litigation in state and federal courts, concerning alleged privacy and consum...

Dan Attridge has practiced in Kirkland's Washington, D.C., office since 1980 and served as the managing partner of the Washington, D.C., office from 1998 to 2013. He is a very experienced trial and appellate lawyer who has litigated cases before federal and state courts, administrative agencies, and arbitration panels throughout the United States. His cases have involved a wide range of industries and practice areas, including intellectual property; antitrust and unfair competition; commercia...

Criminal defense lawyer and civil litigator Michael Battle is focused on white collar criminal matters. Having previously served as a prosecutor and judge himself, Michael understands their perspectives and designs compelling arguments that have the best chance of defending his clients and mitigating their exposure to prosecution. After leaving public service for private practice, Michael has counseled numerous clients on cases involving the Foreign Corrupt Practices Act (FCPA), healthcare fr...

William Zapf is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law. William, 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 is held by other top lawyers in the same geographic and legal practice area.

Amanda Gilbert represents clients in all aspects of family law, including separation, divorce, child custody, adoption, and assisted reproductive technology. She combines her legal knowledge and experience with a solution-oriented approach to address complex family matters. Known for her empathy, patience, calm demeanor, and common-sense perspective, Amanda provides both strategic guidance and compassionate support during challenging family transitions. A trained mediator and Collaborative pr...

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...

Swathi Bojedla is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Swathi, 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 Swathi is held by other top lawyers in the same geographic and legal practice area.