Marc E. Elias

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...

Nancy C. Libin is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Nancy C., 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 Nancy C. is held by other top lawyers in the same geographic and legal practice area.

With a practice focused primarily on the development, delivery and implementation of digital health solutions, data and research, Jennifer S. Geetter works closely with both adopters and developers to bring their innovative healthcare solutions to patients and providers. In order to design and deploy digital health technologies effectively, Jenn offers valuable guidance on key issues, like patient on-boarding, provider implementation, privacy and regulatory issues. She advises global life sci...

Charles M. Asmar is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Charles M., who practices law in Washington, District of Columbia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles M. 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” ...

Brian R. Sanderson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Health Care, Medical Malpractice Law - Defendants and Professional Malpractice Law - Defendants. Brian R., who practices law in Fairfax, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian R. is held by other top lawyers in the same geographic and legal practice area.

Paul Oosterhuis is a senior international tax partner representing clients on a wide range of international and U.S. tax matters. Mr. Oosterhuis has extensive experience in international mergers and acquisitions, post-acquisition integration transactions, spin-offs, internal restructurings and joint venture transactions. He also represents multinational companies in nontransactional international tax planning and IRS controversy matters. In recent transactions, Mr. Oosterhuis has represented:...

Alexandre H. Rene is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Alexandre H., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexandre H. is held by other top lawyers in the same geographic and legal practice area.

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

A lawyer with a national construction practice, Owen Shean represents clients in a broad array of construction matters and disputes, including resolution of disputes on major infrastructure projects, government facilities, museums, multi-use/multi-family projects, hospitals, and military facilities. His clients have included the Architect of the Capitol (the federal agency responsible for the maintenance, operation, development, and preservation of the U.S. Capitol Complex), the New World Sym...