H. Karl Zeswitz, Jr.

Bill Burgess’ practice focuses on appellate litigation across a broad range of subject matter, including patent litigation, commercial litigation, and regulatory matters. He has argued appeals in most of the United States courts of appeals, including several in the Federal Circuit. He has been to trial several times, joining trial teams to brief dispositive motions or prepare for appeals, and has also practiced before agencies such as the Patent & Trademark Office, International Tra...

Reginald “Reg” Brown is a partner in the Washington, D.C., office of Kirkland & Ellis LLP. He has a vibrant and diverse crisis and governmental investigations practice, and regularly counsels financial institutions and other industry-leading clients facing complex and significant regulatory, enforcement and reputational matters. Reg provides investigations-related guidance, strategic counsel and crisis management assistance to a broad range of companies and senior executives c...

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.

Samuel W. Beavers is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Samuel W., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Samuel W. is held by other top lawyers in the same geographic and legal practice area.

Margaret J. McKinney is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Mediation. Margaret J., who practices law in Bethesda, Maryland, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret J. is held by other top lawyers in the same geographic and legal practice area.

Whether helping her clients negotiate to draft commercial leases or working collaboratively to resolve complex family law issues, Leslye Fenton brings a uniquely powerful combination of sensitivity and tenacity to her work. As an attorney and trained mediator, Leslye believes in listening carefully to her clients to identify what drives their interests. This key, she says, unlocks the paths toward resolution, successful negotiation and, hopefully, beneficial outcomes. Her practice includes Fa...

Leigh-Alexandra Basha focuses her practice on domestic and international estate and tax planning. She counsels an affluent international client base on a wide range of sophisticated matters, including estate and trust administration, family wealth preservation, tax compliance, as well as business succession, expatriation and pre-immigration planning. Leigh is head of the Firm’s Washington, DC, Private Client Practice Group. Please view more on Leigh-Alexandra's biography here: https://w...

David G. Barger focuses his practice on white collar criminal defense, government investigations, including Foreign Corrupt Practices Act (FCPA) investigations, corporate compliance, including FCPA compliance, criminal and civil tax controversies, and complex commercial litigation. His practice includes representing companies and individuals in civil and criminal government investigations, often involving government contract issues; and handling complex civil litigation in both state and fede...

George Sepsakos is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. George, who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which George is held by other top lawyers in the same geographic and legal practice area.

Gregory H. Levine is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Gregory H., who practices law in Washington, District of Columbia, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory H. is held by other top lawyers in the same geographic and legal practice area.