Katherine D. Cappaert

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.

Jeremy B. Root is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Jeremy B., who practices law in Fairfax, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeremy B. is held by other top lawyers in the same geographic and legal practice area.

Alonso J. Cisneros is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Alonso J., who practices law in Bethesda, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alonso J. is held by other top lawyers in the same geographic and legal practice area.

Joyce advises clients on regulatory, legislative, and compliance issues. Clinical laboratories and a wide range of other health care entities rely on her comprehensive understanding of health care law and on her advocacy and public policy experience to navigate through various policy issues. Joyce draws on her experience of more than a decade as a public policy advocate and campaign professional. She worked for Democratic candidates campaigning for President, governor, U.S. Senate, and U.S. H...

After serving as a law clerk for a Federal judge in Los Angeles, Mike began his career in tax controversy as a Trial Attorney with the Attorney General’s Honors Program at the Tax Division of the U.S. Department of Justice. After the Justice Department, Mike worked at a boutique tax firm in Washington, D.C., where he was elected partner in 2004. In this capacity he represented clients ranging from Fortune 100 companies to partnerships and individuals. Mike returned to government in 2005...

Brian Nixon’s practice spans advertising, technology, emerging media and privacy, with particular focus on clients implementing targeted advertising strategies and other data-driven marketing initiatives across various media channels. He provides forward-thinking counsel to clients ranging from startups (including social media platforms and emerging media ventures) to Fortune 500 companies. He advises organizations of all sizes on data optimization, mobile commerce, Telephone Consumer P...

Todd Gustin is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Todd, who practices law in Rockville, Maryland, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Todd is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/warin-f-joseph/ .

Amish M. Shah is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Tax Law. Amish M., 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 Amish M. is held by other top lawyers in the same geographic and legal practice area.

James E. Croker, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. James E., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James E. is held by other top lawyers in the same geographic and legal practice area.