Matthew "Matt" Oppenheim

Maria Glinsmann leads the Nonimmigrant Visa Practice in the law firm of Glinsmann & Glinsmann, Chartered. Her practice is focused exclusively on U.S. Immigration, citizenship and consular issues. Many leading technology and service companies seek Maria’s immigration experience. They value her understanding of business practices to ensure their staffing objectives. She helps industry leaders, scientists and innovators to achieve extraordinary ability, national interest and outstandin...

Christopher Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Christopher, 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 Christopher 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” ...

For 35 years, Jeff Scharff has helped clients resolve their critical real estate and structured financing issues and close their deals. He handles all aspects of acquisitions, including drafting and negotiating purchase agreements, loan documents (both conventional and tax-exempt bond financing), and partnership agreements with large national equity investors. In 20 years, he has closed acquisitions totaling almost $20 billion for one of the largest national multi-family operators. Jeff also ...

Practicing in the area of energy law, Elizabeth Whittle counsels clients with respect to natural gas, hydroelectric and electric regulatory and transactional matters. What do you focus on? Federal Regulatory I am an active practitioner before the Federal Energy Regulatory Commission, representing clients in hearings, settlement conferences and adversary proceedings in the natural gas, electric and hydroelectric areas. I am active in proceedings involving regional transmission organizations an...

Spencer F. Walters is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Spencer F., 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 Spencer F. is held by other top lawyers in the same geographic and legal practice area.

Amy is a partner at BrigliaHundley. After graduating cum laude from Wake Forest University, she attended law school at the University of Florida, College of Law, where she graduated with honors and was a member of the Order of the Coif. She is admitted to practice in the state and federal courts in the Commonwealth of Virginia, Maryland, and the District of Columbia. Amy focuses on employment law, providing counseling and support to executives throughout the region. Her success in this area r...

Marc S. Lampkin is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Marc S., 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 Marc S. is held by other top lawyers in the same geographic and legal practice area.

Amy Jeffress is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Amy, 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 Amy is held by other top lawyers in the same geographic and legal practice area.

David Schertler is widely recognized as one of the top white–collar criminal defense attorneys in the Washington area and nationwide. He founded Schertler & Onorato, LLP, in 1996 and has built the firm’s reputation as a premier litigation boutique through his broad experience with criminal and civil investigative and trial matters and the results that he has achieved for his clients. Mr. Schertler is known for his skilled and tenacious representation of individuals and entitie...