CHARLES P. RETTIG, Former Commissioner, Internal Revenue Service (2018-2022), Chamberlain Hrdlicka, Los Angeles, CA. Charles.Rettig@chamberlainlaw.com Specializes in resolving tax matters for high-wealth families and their closely held business entities throughout the world.

CHUCK RETTIG, in in Chamberlain Hrdlicka's Tax Controversy & Litigation, Other Tax and Trust & Estate practices, served as Commissioner of the Internal Revenue Service (2018 – 2022). As Commissioner, he presided over the nation’s tax system, managing an agency of more than 87,000 employees and an annual budget of more than $14.1 billion generating annual gross revenue of approximately $4.9 trillion (representing more than 95% of the gross revenue of the United States). At Chamberlain Hrdlicka, his nationwide practice focuses on tax, federal and state tax controversies and investigations, including complex and sensitive issue examinations, administrative appeals, and tax litigation, as well as representation in criminal tax investigations and prosecutions. 

Before joining the IRS, Chuck Rettig was listed by Chambers USA as the only Eminent Practitioner in the Chambers Category “Tax: Fraud – Nationwide.” As then stated in Chambers USA: America’s Leading Lawyers for Business, "According to peers, Charles Rettig . . . is ‘phenomenal, just phenomenal.' Further, he "is regarded by market sources as a 'brilliant and gifted lawyer . . . a real star and a national leader'" who “enjoys a superb reputation and benefits from ‘great presence.’” Chambers USA has further stated “Fantastic controversy tax lawyer” Charles Rettig is “knowledgeable and very intelligent . . . a force to be reckoned with . . . a driving force in policy making at the national level with great client skills when it comes to sensitive matters.” 

During his career, he has held leadership roles in a number of professional associations and has received many professional honors, including several lifetime achievement awards. He is a Certified Specialist in both Taxation Law and in Estate Planning, Trust & Probate Law (The State Bar of California, Board of Legal Specialization) admitted to practice law in California, Hawai’i and Arizona (inactive). In recognition of his IRS leadership, Commissioner Rettig received the Alexander Hamilton Award, the highest honor for individuals selected by the Treasury Secretary.