Overview

David Foster is a partner in the Tax Practice Group in the Washington, D.C., office of Kirkland & Ellis LLP. David advises a broad range of clients, including large corporations, private equity firms and hedge funds, partnerships, estates, exempt organizations and individuals, many of whom are subject to the IRS’ Global High Wealth initiative. His practice covers a diverse range of tax issues, including international tax and transfer pricing, TEFRA and BBA partnership audit and litigation procedures, taxation of financial products, estate and gift taxes, deferred compensation, voluntary disclosures and criminal tax.

A former Supreme Court clerk, David has prepared briefs and argued before many of the federal courts of appeals. Prior to joining Kirkland, he obtained a rare taxpayer victory striking down a Treasury Regulation in Hewitt v. Commissioner, 21 F.4th 1336 (11th Cir. 2021). He also represented five former IRS commissioners in a D.C. Circuit amicus brief in Loving v. IRS in support of licensing standards for tax return preparers, as well as the American College of Tax Counsel in amicus briefs in the Tax Court and the Supreme Court.

Many of David’s most significant representations involve proceedings before the IRS and DOJ where the taxpayer’s privacy is closely guarded, including:

  • private equity firms and hedge funds, and their individual owners, in IRS examinations, before IRS Appeals and in Tax Court trial testimony. Areas of dispute have included taxation of financial products, taxation of distressed debt, taxation of retirement accounts, valuation issues, existence of a U.S. trade or business, charitable contribution deductions, information and FBAR reporting, and withholding taxation on cross-border payments
  • corporations in IRS examinations and before IRS Appeals regarding the deductibility of payments made to resolve litigation
  • prominent individuals in Global High Wealth examinations and before IRS Appeals with more than $1 billion of proposed deficiencies
  • individuals in connection with voluntary disclosures of offshore tax issues and with grand jury investigations

David lectures regularly to in-house tax departments and professional associations. He is a fellow of the American College of Tax Counsel and the American Bar Foundation. He also served as chair of the D.C. Bar’s Tax Audits and Litigation Committee and as co-chair of the ABA Tax Section’s Privileges Subcommittee of the Civil and Criminal Tax Penalties Committee.

David has repeatedly been ranked in Chambers USA, Chambers High Net Worth, The Best Lawyers in America and The Legal 500 United States, and was previously recognized as one of Washington, D.C.’s Trending 40 Lawyers Under 40 by Legal Bisnow. In the 2024 edition of The Legal 500 United States, David was listed as a “Leading Lawyer” for US Taxes: Contentious. He has also been included in Washingtonian’s Top Lawyers list since 2018.

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Thought Leadership

Speaking Engagements

Speaker, “The Brave New (Anti-Regulatory) World,” Heckerling Institute on Estate Planning, January 2025

Speaker, “Welcome to the New Era of Tax Enforcement Relating to Partnerships and the Economic Substance Doctrine,” 2024 Criminal Tax Fraud and Tax Controversy, December 13, 2024

Speaker, “Tax Controversy Issues in M&A Transactions,” Practicing Law Institute Tax Strategies for Corporate Acquisitions, Dispositions, Spin-Offs, Joint Ventures, Financings, Reorganizations & Restructurings,” October 30 and November 13, 2024

Speaker, “Navigating IRS Appeals: Managing Internal Expectations, Pacifying Exam and Counsel, & Negotiating the Best Result,” Tax Executives Institute 2024 Annual Conference, October 29, 2024

Speaker, “Chevron and Procedural APA Deference Issues,” Southern Federal Tax Institute, October 21, 2024

Speaker, “Supreme Court: The Aftermath of Loper,” 44th Annual Ray Garrett Jr. Corporate & Securities Law Institute, September 26, 2024 

Speaker, “Practical Implications of the End of Chevron Deference,” Tax Executives Institute Audits and Appeals Seminar, September 11, 2024

Moderator, “Loper Bright and the Future of Tax Guidance,” American College of Tax Counsel Webinar, September 20, 2024

Speaker, “First Look: A Tumultuous Term for Tax?: The Supreme Court’s Oct. 2023 Term,” Managed Funds Association Webinar, August 15, 2024

Speaker, “Chevron Overruled: A New Legal Landscape for Agency Deference,” American Bar Association Tax Section Webinar, July 17, 2024

Speaker, “The Administrative Procedure Act v. the IRS,” NYU Tax Controversy Forum, June 27, 2024

Speaker, “Corner Post and the Statute of Limitations on APA Challenges,” ABA Tax Section Administrative Practice Subcommittee Webinar, March 20, 2024

Speaker, “Handling High Wealth Taxpayer Examinations - What We Can Expect After the New IRS Inflation Reduction Act Funding,” USC Gould School of Law 2024 Tax Institute, January 23, 2024

Speaker, “What Happens if Chevron Is Overturned,” American Bar Association Tax Section 2024 Midyear Meeting, January 19, 2024

Speaker, “One Year Later: The IRS War on Conservation Easements,” California Lawyers Association Tax Annual Meeting, November 3, 2023

Speaker, “Increased Audit Scrutiny of Large and Complex Partnership Structures: Trends and Management Strategies,” Tax Executives Institute 2023 Annual Conference, October 23, 2023

Speaker, “Conservation Easements, Tax Regulations, Notices, and the APA,” American College of Trusts and Estates Counsel Estate and Gift Tax Committee Summer Meeting, June 23, 2023

Speaker, “The Administrative Procedure Act v. The IRS: Which Regulations, Rules and Notices Will Survive?,” NYU Tax Controversy Forum, June 8, 2023

Speaker, “In re Grand Jury and the Future of Attorney Client Privilege,” Beverly Hills Bar Association Webinar, May 2, 2023

Speaker, “What Is In re Grand Jury and Why Should You Care?” American Bar Association Tax Section 2024 Midyear Meeting, February 11, 2023

Speaker, “What Every Tax Litigator Needs to Know About the Appeal of Their Civil or Criminal Case,” National Institute on Criminal Tax Fraud, December 14, 2022

Speaker, “Who Needs Tax Rules and Regulations? The Surprising Ways the Administrative Procedure Act Is Affecting Tax Practice,” NYU Tax Controversy Forum, June 23, 2022

Speaker, “Testing Guidance under the Administrative Procedure Act,” Federal Bar Association 2022 Tax Law Conference, March 3, 2022

Speaker, “CIC Services, LLC v. Internal Revenue Service: Opening the Floodgates to Pre-Enforcement Tax Litigation?,” American Bar Association Tax Section Virtual 2021 Fall Tax Meeting, September 22, 2021

Speaker, “What’s Really Stopping Taxpayers? A Discussion of CIC Services and the Anti-Injunction Act,” Federal Bar Association Section on Taxation Tax Practice and Procedure Roundtable, October 15, 2020

Speaker, “Statutory Interpretation & Regulatory Deference,” Tax Executives Institute Virtual Midyear: Tax Controversy, Audits and Appeals, July 16, 2020

Moderator, “A Conversation with the National Taxpayer Advocate: Erin M. Collins,” D.C. Bar Tax Audits and Litigation Series Webinar, June 3, 2020

Speaker, “Exploring Tax Issues Related to Regulatory Authority, Chevron Deference, and the Administrative Procedure Act,” D.C. Bar Tax Legislative and Regulatory Update Conference, January 23, 2020

Speaker, “A Primer on the Use of Experts in Tax Court Cases,” NYU Tax Controversy Forum, June 21, 2019

Speaker, “Effective Oral Communications – Talking Tax to Non-Tax Professionals: How Do You Rate?,” Tax Executives Institute 2019 Audits and Appeals Seminar, May 21, 2019

Speaker, “Practical Privilege Issues,” Tax Executives Institute 2018 Audits and Appeals Seminar, May 1, 2018

Speaker, “Criminalization of International Tax Planning,” International Tax Enforcement and Controversy, October 27, 2017

Publications

Chambers Global Practice Guide: Tax Controversy (Law and Practice – USA), 2019

Recognition

Recognized by Chambers USA for Tax, 2020–2024

Recognized by The Legal 500 United States for U.S. Taxes: Contentious, 2023–2024; International Tax, 2024; U.S. Taxes: Non-Contentious, 2024

Credentials

Admissions & Qualifications

  • District of Columbia
  • Massachusetts

Courts

  • Supreme Court of the United States
  • United States Court of Appeals for the District of Columbia Circuit
  • United States Court of Appeals for the Federal Circuit
  • United States Court of Appeals for the Second Circuit
  • United States Court of Appeals for the Fifth Circuit
  • United States Court of Appeals for the Sixth Circuit
  • United States Court of Appeals for the Seventh Circuit
  • United States Court of Appeals for the Eighth Circuit
  • United States Court of Appeals for the Ninth Circuit
  • United States Court of Appeals for the Tenth Circuit
  • United States Court of Appeals for the Eleventh Circuit
  • United States Court of Federal Claims
  • United States District Court for the District of Columbia
  • United States Tax Court

Education

  • Harvard Law SchoolJ.D.2005
    Supreme Court Chair, Harvard Law Review
  • Harvard UniversityA.B.2000