Tatum Hayes Perez is an accomplished attorney in the Tax and Corporate Law practice groups at Greenspoon Marder LLP, where she provides comprehensive legal counsel to individuals and businesses navigating complex federal tax issues. With expertise in tax law, cannabis regulation, corporate governance, and business structuring, Ms. Perez is well-versed in managing tax audits, resolving tax debt matters, and advising on strategic corporate transactions. She works with clients across the nation, with a strong presence in Colorado and Florida, helping with both state-specific and federal tax compliance and planning.

Ms. Perez' legal practice spans a broad array of federal tax matters, including tax planning, audits, IRS representation, and ensuring regulatory compliance for businesses of all sizes. Her knowledge of cannabis law allows her to guide clients in the rapidly evolving legal landscape, especially as it intersects with federal and state tax requirements. She also regularly advises business owners, investors, and companies on structuring, corporate governance, and navigating complex regulatory environments to optimize tax strategies and minimize liabilities.

A recognized leader in her field, Tatum earned both her J.D. and LL.M. in Taxation from the University of Denver Sturm College of Law, where she was honored as a Tillman Scholar. Her deep understanding of federal tax law, combined with her hands-on experience in both corporate law and regulatory compliance, enables her to deliver strategic solutions tailored to the unique needs of her clients.

Beyond her legal practice, Ms. Perez is the founder of a leadership and organizational development consulting business, the Director of Operations and Finance for a nonprofit foundation, and an adjunct faculty member at the University of Denver. With her nationwide client base, Tatum is a trusted advisor committed to helping individuals and businesses navigate the complexities of federal tax law.

Bar Admissions

• Washington

Education

• LL.M., University of Denver, Sturm College of Law, Tax Law/Taxation, 2022
• J.D., University of Denver, Sturm College of Law, 2021
• M.S., Walden University, Psychology, 2012
• B.S., University of South Florida, College of Arts and Sciences, Microbiology and Immunology, 2000

• Tax Filing Deadline Extension for Florida Residents Affected by Hurricane Milton
• State Income Tax Considerations for Pass-Through Entities: What Business Owners Need to Know
• Additional Tax Breaks for Disaster-Area Residents: What You Might Be Missing
• LLC or S-Corporation: Which Business Structure is Right for You?
• How to Make Smart Retirement Contributions When You Are a High Earner
• The Bank Secrecy Act: Goals, Requirements, and Implications
• The Big Beautiful Bill, Tariffs, Taxes, Tips, Overtime - where are we now?
• The History and Risk of Losing Tax-Exempt Status in the U.S.
• Tax Exempt Status and the Trump Administration: What is Going on at Harvard?
• Cryptocurrency: Tax Considerations, Collateralized Lending, and Evolving Regulation
• Maximize Tax Savings with Electric Vehicle Incentives Before They Disappear
• Fighting Against Tariff Evasion: The Department of Justice's Increased Focus on Trade Crimes
• The Future of Property Taxes in Florida: Legislative Hurdles and Funding Alternatives
• Smart Tax Strategies for High Earners with Few Deductions
• TaxTalk: Tax Exempt - Nonprofit Audits and Compliance