Russell W. "Russ" Sullivan

Russell W. "Russ" Sullivan

Brownstein Hyatt Farber Schreck, LLP

Recognized since 2018

Washington, District of Columbia

Practice Areas

Tax Law

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Chair of Brownstein’s National Tax Policy Group. Veteran of Capitol Hill who served for nearly a decade as Senate Finance Committee staff director. Creative strategist who finds legislative and regulatory solutions that save clients’ money.

Russ Sullivan is one of the top tax attorneys and advocates in the country. When companies face risks in Washington, D.C., they turn to Russ to develop creative solutions that save their industry. For Fortune 50 companies, start-ups and national trade associations alike, Russ translates federal policy and the U.S. tax code for clients’ boards and members and identifies untapped opportunities. He provides clients with clarity when they need it most, offers critical information for developing smart business strategies, and engages the Treasury Department and tax-writing committees on Capitol Hill to advance clients’ domestic and international tax priorities.

In addition to advocating on tax policy, Russ represents clients’ interests on health care, pension planning, trade, energy, financial services and economic development policies. He worked firsthand on many of these issues during his 14 years of service on the Senate Finance Committee. During his time in Congress, Russ saw some of the most important issues within the business community come before the committee and helped draft landmark legislation such as the 2001 tax legislation, the 2005 and 2007 Energy Policy Acts, and the Affordable Care Act, Russ leverages these expertise’s to provide clients with contextual insight into current tax and health care policy debates.

Russ is passionate about fostering at-risk youth, he has served as legal guardian for 22 teenagers, and has continually fought for an increase in the adoption tax credit. He proudly serves on the board of directors for the Congressional Coalition on Adoption Institute.


  • 1155 F Street, NW, Suite 1200
    Washington, DC 20004

Bar Admissions

  • District of Columbia, 1989

Recognized in The Best Lawyers® in America 2023 for work in:

  • Tax Law

Special Focus

  • COVID-19

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