Dan Nettles

Dan Nettles is a director in Andersen’s US National Tax practice, specializing in federal tax controversy and dispute resolution. He has eight years of experience representing corporate and individual taxpayers in examinations, administrative appeals, and complex disputes involving a broad range of federal tax matters.

Dan began his career with the IRS Office of Chief Counsel (SB/SE), where he supported examination teams and represented the government in litigation before the U.S. Tax Court. In this role, he gained extensive experience handling controversy matters involving income tax, penalties, and procedural issues affecting both businesses and individuals.

Following his government service, Dan joined the tax controversy practice at DLA Piper LLP (US), where he represented clients across multiple industries in high-stakes federal tax disputes, including audits, appeals proceedings, and litigation. He provided guidance on controversy strategy, risk assessment, and resolution options.

At Andersen, Dan represents clients in complex tax controversies, including examinations, appeals, and litigation readiness. His experience spans industries such as technology, private equity, life sciences, manufacturing, and professional services.

Dan is a frequent speaker on federal tax controversy topics, including presentations for programs hosted by Tax Executives Institute (TEI).