He has served as lead counsel in some of the highest profile tax cases out of Colorado, and elsewhere, including a criminal tax case which the Department of Justice identified as one of the largest tax evasion case in the history of Colorado, a seminal case won in the United States Supreme Court, a precedent setting gift tax case in the United States Tax Court, and a defining Colorado Sales & Use tax case. In his 25 years of practice, Mr. Anderson has helped well over a thousand taxpayers to find solutions to their tax disputes with the IRS and state and local taxing authorizes. He has also represented hundreds of Certified Public Accountants and CPA firms in all facets of their profession, including defending malpractice claims, defending complaints filed with state boards of accountancy, defending complaints filed with the AICPA, defending complaints lodged with the IRS’s Office of Professional Responsibility, defending return-preparer-penalties asserted by the IRS, and defending accountants facing criminal tax charges. Mr. Anderson has also represented and consulted accounting firms and their owners in the context of firm break ups and formations. Mr. Anderson has also served as an expert in tax and accounting malpractice cases. With his background, clients also call upon Mr. Anderson to represent them in business and commercial litigation cases. He is an adjunct professor at the University of Denver, College of Law, Graduate Tax Program, and a sought after speaker for the many Continuing Education courses he has authored and instructed for Attorneys and Accountants.