James Joseph, the head of the Tax Group, represents clients on tax planning and litigation matters. Mr. Joseph represents tax-exempt organizations (including public charities, private foundations, and international nongovernmental organizations) in structuring and implementing complex charitable programs and business ventures. He provides advice to corporations and individual donors on charitable, advocacy-related, and political giving. On tax controversy matters, he has represented corporations, partnerships, tax-exempt organizations, and individuals in Internal Revenue Service (IRS) audits, proceedings before the IRS Appeals Office, state-level audits and administrative hearings, and litigations in the US Tax Court and in federal district and appellate courts.

Mr. Joseph also works with corporate and tax-exempt clients on governance, executive compensation, employment tax, and other general tax matters. He assists tax-exempt organizations in structuring, funding and implementing lobbying, advocacy, and political activities. Mr. Joseph is the Co-Chair of the Executive Committee of the Lawyers' Committee for Civil Rights Under Law and the former Co-Chair of its Voting Rights Project Support Committee and Investment Committee. He served on the IRS's Advisory Committee on Tax Exempt and Government Entities (ACT) from 2009-2012. Appointed by the Secretary of the Treasury, ACT members advise the IRS on operational policies and procedures. Mr. Joseph also was Chair of the Tax Section of the District of Columbia Bar and is currently Chair of the American Bar Association's Section of Taxation, Exempt Organizations Committee, Subcommittee on Unrelated Business Income Tax. In 2013 and 2014, he was named a Washington, DC Super Lawyer for nonprofit organizations and tax law. In 2003, Mr. Joseph was a recipient of the Ally of Justice Award for his work for the Human Rights Campaign.


  • The ONE Campaign
  • Smithsonian Institution, Independent Review Committee
  • American University
  • United Nations Foundation
  • The George Washington University


Donations of Appreciated Stock to Social Welfare and Political Organizations
Arnold & Porter's Private Client Services Newsletter
What’s Keeping You Up at Night? 2016 Hot Topics in Non-Profit Governance
Association of Corporate Counsel’s National Capital Region Corporate Governance Conference, McLean, VA
Top Ten Tips for Election Year Engagement by Nonprofits
Representing and Managing Tax-Exempt Organizations, Georgetown University Law Center
IRS Issues Final Regulations for New Examples of Private Foundation Program-Related Investments
Arnold & Porter Advisory
Election Pitfalls Nonprofit Organizations Should Watch Out For
2016 Nonprofit Summit, Washington, DC


Washington, DC Super Lawyers 2007-2010, 2013-2016 for Non-Profit Organizations and Tax
The Best Lawyers in America 2013-2016 for Tax Law
Chambers USA: America's Leading Lawyers for Business 2012-2015 for Tax (DC)


  • JD, Georgetown University Law Center, 1989, magna cum laude
  • BA, Georgetown University, 1984
  • District of Columbia
  • Supreme Court of the United States
  • US Tax Court
  • Co-Chair, Lawyers’ Committee’s for Civil Rights Under Law, Executive Committee

  • Co-Chair, American Bar Association's Section of Taxation, Exempt Organizations Committee, Subcommittee on Unrelated Business Income Tax

  • Lawyers’ Committee for Civil Rights Under Law (Regional Vice Chair of the Lawyers Committee, Serves on the Board of Trustees, Co-Chair, Voting Rights Project Support Committee)

  • Serves on the Corporate Advisory Council of the League of Women Voters

  • Serves on the Advisory Board of Catholics in Alliance for the Common Good

  • Internal Revenue Service's Advisory Committee on Tax Exempt and Government Entities 2009-2012

  • Member, Tahirih Justice Center’s Public Policy Council


Email Disclaimer