Miles Fuller is a federal tax controversy attorney with more than 15 years of experience as a Senior Counsel in the IRS Office of Chief Counsel. During his tenure, he tried cases in United States Tax Court across a broad range of substantive and procedural tax issues. He also served as a Special Assistant United States Attorney in the Federal Districts of Colorado and New Mexico, representing the United States in bankruptcy courts with respect to tax claims.

Miles has advised on and litigated cases relating to conservation easements, microcaptive insurance arrangements, individual retirement accounts, economic substance, collection matters, civil fraud, and cryptocurrency. Miles played a key role in helping the IRS's civil examination function establish its digital asset enforcement program. After leaving IRS Counsel, Miles served as Sr. Director of Government Solutions at Taxbit, a leading digital asset tax compliance company, advising government agencies and industry on digital asset tax reporting and policy before founding his own practice. He has continued to work with the IRS and governments around the world to better understand how to investigate cryptocurrency matters, train individuals, and develop pragmatic tax policy.

Miles is based in Colorado where he supports taxpayers in IRS audits and litigation throughout the Denver metro area and across the Rocky Mountain region. But he’s often retained to assist taxpayers nationally and internationally with federal tax issues.