Samuel L. Kassa

Christopher R. Wall is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law. Christopher R., who practices law in Washington, District of Columbia, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher R. is held by other top lawyers in the same geographic and legal practice area.

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” ...

Perry A. Lange is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Antitrust. Perry A., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Perry A. is held by other top lawyers in the same geographic and legal practice area.

Richard’s multinational clients benefit from his extensive experience with tax planning and controversy and trust his guidance to resolve challenging transfer-pricing issues as well as to develop, implement, and defend tax-efficient cross-border structures. For more than 25 years, he has advised clients on tax matters, with a focus on transfer pricing. Richard’s international clients span multiple industries, including transportation, finance, hospitality, electronics, food and be...

Nathaniel Edmonds serves as the Co-Chair of the firm’s litigation practice in Washington, D.C., which houses over 100 lawyers handling a variety of litigation matters, including internal corporate investigations, white collar criminal defense, anti-corruption compliance, sanctions and export controls, data privacy and cyber security, intellectual property and patent litigation, international arbitration, and antitrust counseling. Mr. Edmonds focuses on global internal investigations, in...

Jean F. Kuei is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jean F., 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 Jean F. is held by other top lawyers in the same geographic and legal practice area.

Edward R. McNicholas is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Edward R., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edward R. is held by other top lawyers in the same geographic and legal practice area.

Christine Dunn is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Christine, 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 Christine is held by other top lawyers in the same geographic and legal practice area.

John B. Flood is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. John B., who practices law in Rockville, Maryland, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John B. is held by other top lawyers in the same geographic and legal practice area.

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...