Marco provides research and analysis to help support state policymakers across the country, including in many of the Great Plains states and Southwest. Prior to joining ITEP in 2020, Marco spent more than four years providing commentary and tracking state tax news as an associate editor with Tax Notes.
Marco earned his bachelor’s of science degree from Arizona State University and a Master of Public Policy from George Mason University.
July 28, 2025 • By Aidan Davis, Marco Guzman, Neva Butkus
Federal policy choices on tariffs, taxes, and spending cuts will be deeply felt by all states, which will have less money available to fund key priorities. This year some states raised revenue to ensure that their coffers were well-funded, some proceeded with warranted caution, and many others passed large regressive…
June 3, 2025 • By Dylan Grundman O'Neill, Kamolika Das, Marco Guzman, Miles Trinidad, Neva Butkus
This post covers five particularly notable provisions for states: increasing deductions for state and local taxes (SALT) paid, allowing more generous tax write-offs for businesses, offering new avenues for capital gains tax avoidance to people contributing to private school voucher funds, carving tips and overtime out of the tax base,…
April 18, 2025 • By Marco Guzman
This year’s Tax Day came just after the Trump administration finalized a deal with the IRS to hand over data about undocumented immigrant taxpayers.
April 13, 2025 • By Marco Guzman
The Trump administration has moved to revoke parole protections issued under President Joe Biden and deport migrants like Doralis, who followed all the rules and used CBP One to enter the U.S. Read more.
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